What is the purpose of the
respiratory system in the body?
A. provides energy for the body
B. filters air and brings oxygen into the body
C. circulates oxygen to tissues in the body
D. provides structure for the body and protects
important organs

Answers

Answer 1

Answer: B

Explanation:

Answer 2

The purpose of the respiratory system in the body is filters air and brings oxygen into the body.

What are the functions of respiratory system?

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism.

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.

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Related Questions

Which would be considered true for Quantifier DNA quantification technology:
1 - relies on fluorescence of quencher molecule following cleavage
2 - relies on fluorescence of reporter molecule following cleavage
3 - relies on 5'- 3' cleavage of probe
4 - relies on 3' - 5' cleavage of probe
5 - uses a probe labelled with a fluorophore and quencher molecule at opposite ends
6 - uses a probe labelled with fluorophore and quencher molecule at same end

Answers

The answer is the number 2

When babies are born, many
of their bones are still
cartilage. As they grow, these
harden into bone.
What do we call the process
of forming and hardening
bone?
A. digestion
B. circulation
C. ossification

Answers

Answer:

C. ossification

Explanation:

All bones develop in the same way in a process called ossification. At about 10 weeks, bone tissue starts to form as cartilage or membrane. Then, calcium and phosphate – minerals stored in your body and replenished by the foods you eat – are added to the tissue

C. ossification is your answer

What is the % of water inside the cell
Will osmosis occur
If so , which will water move (into or out of the cell )?
Will the cell swell or shrink ?
The cell is In what type of solution ? (Hypertonic , hypotonic ,isotonic ) help pls

Answers

The percentage of water inside the cell is 2.5 %. Water will move into the cell and it will swell. So it's a hypotonic solution.

What is osmosis?

Osmosis is the spontaneous diffusion or flow of water or other liquids over a semipermeable membrane, or one that prevents the passage of solutes, or dissolved compounds. The crucial biological mechanism was initially in-depth investigated in 1877 by German plant physiologist Wilhelm Pfeffer. Inaccurate investigations of leaky membranes, such as animal bladders, and the movement of water and other chemicals through them were previously conducted by other researchers.

A solution will tend to become more diluted by absorbing solvent through a membrane separating it from the pure solvent if the membrane is permeable to the solvent but not to the solute. The osmotic pressure, also known as the pressure exerted on the solution, can be raised to a certain level to halt this process. Jacobus Henricus van 't, Hoff, a Dutch-born chemist, demonstrated in 1886 that Henry's rule is obeyed if the solute is sufficiently diluted that its absolute vapor pressure is above the solution.

Therefore, the percentage of water inside the cell is 2.5 %. Water will move into the cell and it will swell. So it's a hypotonic solution.

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Which of the following will impact a populations equilibrium ?

. Random Mating
. No mutations
. Small population
. No Migration

Answers

Answer:

". Small population"

Explanation:

      The conditions to maintain the (Hardy-Weinberg) equilibrium are no mutation, no gene flow, a large population size, random mating, and no natural selection. This can be disrupted by changes from any of its five main factors. No migration, no mutations, and random mating are all a part of this equilibrium, so the answer will be a small population.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Ans.......... No mutations

can someone tell me what is the right one please I beg u

Answers

Answer:

Active Ingredients

Explanation:

I think this because drugs have different active ingredients which make it a drug and some drugs can be used for theraputic reasons.

If the original DNA is ATGGGTCTAGCGAAAGAT

Than what would be the complimentary DNA?

Answers

Answer:

TACCCAGCGCTTTCTA

Explanation:

What term can be used to describe all cellular respiration?
Tick one box.
А
Aerobic
B
Endothermic
С
Anaerobic
D
Exothermic

Answers

I think the answer is D because respiration releases energy.

The term that can be used to describe all cellular respiration is Exothermic. Some cellular respiration may be aerobic, some are anaerobic but all the exothermic.

What do you mean by Cellular respiration?

Cellular respiration may be defined as the methodology of transforming glucose into a form of energy (ATP) that is useable by cells.

Respiration that occurs in the presence of oxygen is known as aerobic cellular respiration, respiration that occurs in the absence of oxygen is known as anaerobic respiration.

Therefore, the term that can be used to describe all cellular respiration is Exothermic.

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Between which two letters will the bond break to release energy?"
с
O A and B
O B and C
O C and D
O Band C and C and D

Answers

Answer:

c and d sjdudhhejejdkks

five (5) kidney diseases their symptoms and their effect​

Answers

Answer:

Kidney failure occurs when your kidneys lose the ability to sufficiently filter waste from your blood. Many factors can interfere with your kidney health and function, such as:

toxic exposure to environmental pollutants or certain medications

certain acute and chronic diseases

severe dehydration

kidney trauma

Your body becomes overloaded with toxins if your kidneys can’t do their regular job. This can lead to kidney failure, which can be life-threatening if left untreated.

Usually, someone with kidney failure will have a few symptoms of the disease. Sometimes no symptoms are present. Possible symptoms include:

a reduced amount of urine

swelling of your legs, ankles, and feet from retention of fluids caused by the failure of the kidneys to eliminate water waste

unexplained shortness of breath

excessive drowsiness or fatigue

persistent nausea

confusion

pain or pressure in your chest

seizures

coma

Symptoms of early-stage kidney disease may be difficult to pinpoint. They’re often subtle and hard to identify. If you experience early signs of kidney disease, they may include:

decreased urine output

fluid retention that leads to swelling in limbs

shortness of breath

A sudden loss of blood flow to your kidneys can prompt kidney failure. Some conditions that cause loss of blood flow to the kidneys include:

a heart attack

heart disease

scarring of the liver or liver failure

dehydration

a severe burn

an allergic reaction

a severe infection, such as sepsis

High blood pressure and anti-inflammatory medications can also limit blood flow.

When your body can’t eliminate urine, toxins build up and overload the kidneys. Some cancers can block the urine passageways, such as:

prostate (a most common type in men)

colon

cervical

bladder

Other conditions can interfere with urination and possibly lead to kidney failure, including:

kidney stones

an enlarged prostate

blood clots within your urinary tract

damage to your nerves that control your bladder

Acute intrinsic kidney failure can result from direct trauma to the kidneys, such as physical impact or an accident. Causes also include toxin overload and ischemia, which is a lack of oxygen to the kidneys.

The following may cause ischemia:

severe bleeding

shock

renal blood vessel obstruction

glomerulonephritis

Hope this helps, have a nice day/night! :D

what is the relationship between DNA Chromosomes and organism?

Answers

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

the heart is an organ made from​

Answers

Your heart is an organ that's largely made up of muscle. It has the vital function of working to pump blood to the organs and tissues of your body.

Q. Which increased age skeletal muscle show?

A. An increase in muscle fiber diameter
B. A decrease in the number of myofibrils
C. A tendency to fatigue less rapidly
D. Increased glycogen reserves.
E. No change in oxygen storage capability.

Answers

Answer:

i do not know if there are more than one answer but d and a both sound right to me

Explanation:

If you have been vaccinated against a virus, what should happen when you are exposed to that virus?
the primary immune response
a potentially fatal infection
a lifelong infectious disease
the secondary immune response

Answers

Answer:

the primary immune response

Explanation:

<3

Explain the physics of light as it relates to photosynthesis. What is a pigment, what is a photon?

Answers

Explanation:

photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

a pigment is the natural colouring matter of animal or plant tissue.

a photon is a particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation frequency but has zero rest mass.

Answer: Varies

Explanation:

"Pigment" relates to the color and "photons" connect with the electromagnetic force.

Draw a model that correctly illustrates cellular division and differentiation in stem cells...


What should I draw?

Answers

Answer:

I dotnt know that but you can do that

Cellular division (Mitosis) is the biological process whereby a parent cell breaks itself into different parts called daughter cells.

This process is important because it helps to divide cells so that they can:

Experience growth Repair broken cells Reproduce, etc

Cellular differentiation is the process of a cell going from one form to a more specialized cell.

A good example of this is the process of a fetus being formed from a single celled zygote.

Attached below is an image of cell differentiation and cellular division.

Can you please help me fill in the rest of the missing facts for my assignment?

Answers

Didinium eats paramecium

Parameciums form of prey is bacteria

Parameciums are colorless

Parameciums cleans up small particles of debris in water

I’m not sure about what they have in common. Hope this helps a bit though

Hey, I need help with these questions please:

Answers

Answer:

10x bigger than bacterial and archaeal cells

Morgan and his fruit flies are famous for two discoveries. What are they and how do they help us in understanding genetics?

Answers

Thomas Hunt Morgan, who studied fruit flies, provided the first strong confirmation of the chromosome theory. Morgan discovered a mutation that affected fly eye color. ... Based on the inheritance pattern, Morgan concluded that the eye color gene must be located on the X chromosome.

name the star shaped cells present in hydrophytes​

Answers

Answer:

Astrosclereids are star-shaped, having various branches or arms. They are found in intercellular spaces of leaves and stems of many hydrophytes like Nymphaea.

Animal physiology and anatomy
Describe briefly the importance of energy diet in reproduction

Answers

Answer:

Animal Physiology

Animal physiology is the study of how animals work, and investigates the biological processes that occur for animal life to exist. These processes can be studied at various levels of organization from membranes through to organelles, cells, organs, organ systems, and to the whole animal. Animal physiology examines how biological processes function, how they operate under various environmental conditions, and how these processes are regulated and integrated. The study of animal physiology is closely linked with anatomy (i.e., the relationship of function with structure) and with the basic physical and chemical laws that constrain living as well as nonliving systems. Although all animals must function within basic physical and chemical constraints, there is a diversity of mechanisms and processes by which different animals work. A comparative approach to animal physiology highlights underlying principles, and reveals diverse solutions to various environmental challenges. It can reveal similar solutions to a common problem, or modifications of a particular physiological system to function under diverse conditions. The discipline of animal physiology is diverse and here the major areas of research and investigation are outlined.

TROPICAL SOILS | Humid Tropical☆

S.W. Buol, in Reference Module in Earth Systems and Environmental Sciences, 2013

Chemical and Mineralogical Composition of Soils

Of the chemical elements essential for plant and animal physiology, only carbon, oxygen, and hydrogen, are derived directly from air and water. Nitrogen and to some extent sulfur are derived from the air but must be present as inorganic ions in the soil before they can be utilize by plants. The other essential elements are obtained from the dissolution of minerals in the soil. Essential element bearing minerals are derived from the geologic material within which the soil is formed. An inadequate supply of any essential element limits plant growth. The most frequent limitations result from insufficient plant-available nitrogen, phosphorus, potassium, calcium, or magnesium.

Practically no nitrogen is present in soil minerals. Nitrogen enters the soil as ammonium and nitrate dissolved in rainwater or via fixation from the air by nitrogen-fixing microbes in the soil. Some nitrogen-fixing microbes in the soil are symbiotic and the nitrogen they extract from the air is incorporated into their legume plant host. Other nitrogen-fixing microbes are not symbiotic, and the nitrogen they extract from the air is incorporated into their cells. Nitrogen is also present in the organic residues of dead organisms in and on the surface layers of soil. Plants do not ingest the organic forms of nitrogen but as microbes in the soil decompose organic residues and exhaust carbon dioxide to the air inorganic forms of nitrogen are released into the soil solution and become available to growing plants, leach into the groundwater during periods of excessive rainfall, or return to the air as nitrogen gas during periods when the soil is saturated with water. Plant-available nitrogen contents in soil are transient and closely related to the nitrogen content in the organic residue and the rate at which the residue is decomposing.

Phosphorus is present in only a few minerals in the soil. Apatite, a soluble calcium phosphate mineral capable of supplying plant-available phosphorus, is the most common source of phosphorus and most abundant in soil formed in limestone. Iron and aluminum phosphate minerals are extremely insoluble and do not release phosphorus rapidly enough for rapid plant growth. Soils with high iron and aluminum contents tend to absorb phosphate applied as fertilizer and decrease its availability to plants. This is a serious problem in attempts to fertilize food crops in many soils in the tropics.

Potassium is present in mica and feldspar minerals. These minerals are rather easily decomposed in the soil environment and consequently are sparse in soils formed in siliceous materials and sediments that have been repeatedly transported and deposited on the land surface.

Calcium and magnesium are most abundant in carbonate minerals associated with limestone and some carbonate rich sandstone. Carbonate minerals are also relatively unstable when subjected to weathering and therefore most abundant in soils formed directly from limestone, some sandstone, and recently deposited sediments derived from carbonate rich rock.

What occurs if kelp is not present to absorb CO2 or produce O2?

Answers

there won't be fresh oxygen and CO2 will be dangerous for out health and we may not have some of the energy that we have today because kelp also can produce energy.

All other living organisms in the aquatic environment will be negatively affected if Kelp is not present to absorb CO2 or produce O2.

ROLE OF PHOTOSYNTHESIS:

Kelp are living organisms in the kingdom Protista, which possess the ability to photosynthesize or use energy from sunlight to produce food.

Photosynthesis is a process that absorbs CO2 from the atmosphere and release O2 as a gaseous product.

Kelp is a producer of aquatic environment, which means it helps to absorb CO2 and release O2 into the atmosphere. This O2 is used for cellular respiration by other living organisms.

If kelp is not present to absorb CO2 or produce O2, other other living organisms in the aquatic environment will be negatively affected.

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The potential difference across a piece of wire is 2.1V
The current in the wire is 0.30A
Calculate the resistance of the wire
Write any equation that you use

Answers

Answer:

Given: V=2.1 I = 0.30 A

Using V=IR

2.1 = 0.30 R

2.1/0.30 =R

R= 7 Ohm

Personal public appearances are a form of advertising.
True
False

Answers

Answer: True

Explanation:

in terms of volume does blood normally contain more plasma or more formed elements

Answers

Answer:

I think blood is made up of more plasma

Explanation:

I think more than 50% is made up of blood plasma

Explain why water is essential for the light reactions.

Answers

Answer:

During the process of photosynthesis, six molecules of carbon dioxide and six molecules of water react in the presence of sunlight to form one glucose molecule and six molecules of oxygen. The role of water is to release oxygen (O) from the water molecule into the atmosphere in the form of oxygen gas (O2).

Explanation:

Water is important for photosynthesis because it the source of hydrogen for the sugars created through photosynthesis

HOPE THIS HELPS PLS MARK ME BRANLIEST

A scientist uses a microscope to inspect a thin piece of onion and a paramecium. A paramecium is a type of protist. How are the protist and onion sample similar? A. They are both made of a single cell. B. They are both made of structures other than cells. C. They are both made of many cells. D. They are both made of one or more cells.​

Answers

Answer:

l think that the answer is A.. hope this helps

PLS HELP ME


In 3-5 sentences, describe the advantages and disadvantages of these maps in modeling mitosis.

Answers

Answer:

Explanation:

you haven't put the image, however mitosis is the splitting of one cell into two identical daughter cells (duplicating the DNA) - hope this helps!

why the number of ATP is not known exactly

Answers

Answer:

due to the variability of the flow of protons and electrons through the ATPase

Explanation:

The total number of ATP is not known exactly and is due to variance in the degree of coupling between the flow of protons through the ATPase and electron transport. ATP – Adenosine triphosphate, the energy currency of the cell is organic compound composed of the phosphate groups, adenine, and sugar ribose.

which is colder 0 C or 32 F

Answers

Answer: we know that the same temperature was named 0°C and 32°F. We write it 0°C = 32°F, and read it: "A temperature of zero degrees Celsius is the same as a temperature of 32 degrees Fahrenheit." Similarly, 0°F = 160/9°C. ... 23°C is 23°C above 0°C. But 23°C = 23*1.8°F and 0°C = 32°F.

Explanation: Mark me brainly please

Answer:

They are the same

Explanation:

(0°C × 9/5) + 32 = 32°F

To convert temperatures in degrees Celsius to Fahrenheit, multiply by 1.8 (or 9/5) and add 32.

When E. coli is grown in a high osmotic pressure environment, _________. Multiple Choice MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site and enhances translation of the OmpF porin protein MicF RNA is not transcribed allowing a stem-loop structure to form at the site of translation initiation MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site effectively preventing translation of the OmpF porin protein MicF RNA is not transcribed so the OmpF mRNA is readily translated to synthesize the OmpF porin protein

Answers

Answer:

MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site effectively preventing translation of the OmpF porin protein

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