what are the functions of the kidney

Answers

Answer 1
Basic Functions
The kidneys are essential for homeostasis (maintaining a constant internal environment) of the body's extracellular fluids. Their basic functions include:
1. Regulation of extracellular fluid volume. The kidneys work to ensure an adequate quantity of plasma to keep blood flowing to vital organs.

2. Regulation of osmolarity. The kidneys help keep extracellular fluid from becoming too dilute or concentrated with respect to the solutes carried in the fluid.

3. Regulation of ion concentrations. The kidneys are responsible for maintaining relatively constant levels of key ions including sodium, potassium and calcium.

4. Regulation of pH. The kidneys prevent blood plasma from becoming too acidic or basic by regulating ions.

5. Excretion of wastes and toxins. The kidneys filter out a variety of water-soluble waste products and environmental toxins into the urine for excretion.

6. Production of hormones. The kidneys produce erthryopoietin, which stimulates red blood cell synthesis, and renin, which helps control salt and water balance and blood pressure. They are also involved in regulating plasma calcium and glucose levels.


Related Questions

The following are the results of a genotype being "foiled" for a dihybrid cross: BS, Bs, bS, bs.

Determine the parents' genotype
A. BbSS
B. BBss
C. BsSs
D. BBSS

Answers

Answer:

C.

Explanation:

which term describes the ability of neurons to process information, store and recall it, and make decisions?

Answers

Answer:

Neural Integration

Explanation:

:)

Origina
DNA: CGGACACTGCTCTCCCAAGAGTATCAGTCCTCTTTAGAAGACCTGAATTCATTTCTTCTT
mRNA:
AAS:
Mutation 1
DNA: CGGACACTGCTCTCCCAAGAGTATCAGTCCTCTTTAGAAGACCTGTAACTCATTTCTTCT
mRNA :
AAS:
Mutation 2
DNA: CGGACACTGCTCTCCCAAGAGTATCAGTCCTCTTTAGAAGACCTGAGTTCATTTCTTCTT
mRNA:
AAS:
Mutation 3
DNA: CGGACACTGCTCTCCCAAGAGTATCAGTCCTCTTTAGAAGACCTGAATTCATTTTTTCTT
mRNA:
AAS:

Answers

Answer:

y is there so much letters?

How are male and female reproductive organs similar?

Answers

Answer: They are the same in that most of the reproductive organs of both sexes develop from similar embryonic tissue, meaning they are homologous. Both systems have gonads (male have testes and female have ovaries) that produce gametes (testes produce sperm and ovaries produce egg or ovum) and sex organs.

which muscle cells have desmosomes and gap junctions

Answers

Answer:

Cardiac muscle cells are rectangular-shaped cells connected by regions called intercalated discs. Intercalated discs contain gap junctions and desmosomes.

Explanation:

The muscle cells that have desmosomes and gap junctions are cardiac and smooth muscle cells. The correct option is C.

What is a cardiac cell?

Cardiac cells are the chain of myofibrils and look like a chain of rods. It is of red color. Cardiac muscle cell has three types of gap junction. The two types are sheet desmosomes and spot desmosomes.

The options are attached below.

Thus, the correct option is C. cardiac and smooth muscle cells.

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which could take place by active transport A. the movement of carbon dioxide into a photosynthesising leaf B. the movement of carbon dioxide out of a respiring cell C. the movement of nitrate ions into a root hair cell D. the movement of oxygen into a respiring cell

Answers

Answer is C, Hope this helps!!

74 POINTS!!!!!!!!
Do you think we should attempt to
quantify and assign market values
to ecosystem services and other
entities that have only non-market
values? Why or why not?

Answers

Answer:

yes

Explanation:

yes because I like the same thing cuz you just like doing like what you have to do and I did it already and I got it a

which statement is true about the nitrogen bases in dna and rna?

Answers

Explanation:

in DNA nitrogen bases are adenine, thymine, guanine and cytosine and in RNA nitrogen bases are same but instead of the thymine there's uracil

in DNA there are linked together adenine and thymine ; Guanine and cytosine. And in RNA adenine and uracil; Guanine and cytosine.

what do you call an organism that has been genetically engineered to contain a gene from a different species?

Answers

Answer:

A transgenic, or genetically modified, organism is one that has been altered through recombinant DNA technology, which involves either the combining of DNA from different genomes or the insertion of foreign DNA into a genome.

Explanation:

Answer:

This would be called a transgenic or genetically modified organism.

Explanation:

A transgenic or genetically modified organism is one that has been altered through something called recombinant DNA technology. Which involves either the combining of DNA from different genomes or in another case the insertion of foreign DNA into a genome.

easy question - giving brainly if correct !!​

Answers

Answer:

i think its  C

Explanation:

i would go with c

where are the proteins of the electron transport chain located in a eukaryotic cell?

Answers

Answer:

In eukaryotes, the electron transport chain is located in the inner mitochondrial membrane. In prokaryotes, it is located within the plasma membrane

When two substances create a solution, what happens to its mass?
A.The mass is increased.
B.The mass is decreased.
C.The mass stays the same.
D.The mass disappears.

Answers

The mass is increased becuase you are adding two substances together, you are adding their individual masses together

how can an understanding of osmosis be important in developing methods for the same storage of food?

Answers

Osmosis is also used for preserving fruits and meats, though the process is quite different for the two. In the case of fruit, osmosis is used to dehydrate it, whereas in the preservation of meat, osmosis draws salt into it, thus preventing the intrusion of bacteria.

what type of inheritance do two alleles have if their traits blend together?

Answers

Answer:

Explanation:

Codominance is when both dominant traits are expressed, therefore if white was considered dominant and red was also a dominant trait, the petals would have spots of white and red, with no pink. Polygenic inheritance is described by one characteristic influenced by multiple genes, which is not the case in this problem.

how does the plasma membrane contribute to the structure and function of the cell?

Answers

Answer:

The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. ... The plasma membrane consists of a lipid bilayer that is semipermeable. The plasma membrane regulates the transport of materials entering and exiting the cell.

A cell is protected by its cell membrane, also known as the plasma membrane. Additionally, it moves hazardous materials out of the cell and carries nutrients into the cell.

What is a cell membrane?

All cells' interiors are protected from the outside world by a biological membrane called the cell membrane. A cell is protected by its cell membrane, also known as the plasma membrane. Additionally, it maintains a constant environment inside the cell, and that membrane serves a variety of purposes. One is to move substances out of the cell that are toxic as well as nutrients into the cell.

Glycerophospholipids, molecules made of glycerol, a phosphate group, and two fatty acid chains, are what make up cellular membranes, including plasma membranes and internal membranes.

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A bar graph and a pie graph are the same thing.

A. True
or
B. False​

Answers

Falseee !!! I'm suree
B. False
Pie charts show how much each category represents as a proportion of the whole and Bar graphs use a series of rectangular bars to show absolute values or proportions for each of the categories

Tại sao con người chúng ta lại sốt nhiều lần như vậy?

Answers

Answer:

Fever is an elevated temperature of the human body that is substantially beyond the normal range. Normal body temperature fluctuates daily from about one degree below 98.6 degrees Fahrenheit to one degree above that number. Lower body temperatures usually occur before dawn; higher temperatures in the afternoon.

Body temperature also varies slightly depending on where on the human body it is measured. Rectal (internal) temperature tends normally to be higher than skin (surface) temperature. Oral and armpit temperatures can approximate actual body temperature and are more convenient to measure.

#5 and 6 pleasee I will give you 100 points

Answers

6)it is bigger then we ever thought and that we wont beable to explore it all..

CORRECT ME IF I AM WRONG

6) it is bigger then we ever thought and that we wont beable to explore it all

sorry if this didnt help

The cell membrane is said to be semipermeable because

Answers

Answer:

The membrane is selectively permeable because substances do not cross it indiscriminately.

Explanation:

what is the role of microfilaments in cell division

Answers

Answer:

. Microfilaments help the cell lay down new membrane and divide into two daughter cells.

Explanation:

How does a substance cross the cell membrane in diffusion?
a- flowing down the concentration gradient
b- binding to a carrier protein
c- going through a pump
d- going through a channel protein
(ck-12)

Answers

Answer:

A

Explanation:

skeletal muscle exhibits alternating light and dark bands called

Answers

Skeletal muscle exhibits alternating light and dark bands called a sarcomere

Skeletal muscle is having sarcomere having myofibrils which appear dark and light in the microscope.

What is skeletal muscle?

Only thin filaments containing actin are present in isotropic bands, anisotropic bands are the darker bands (A bands).

Repeating sarcomere sections, which are visible under the microscope as alternating dark and light bands, make up myofibrils.

When a muscle contracts or relaxes, long, fibrous protein filaments called sarcomeres glide past one another. Because of this, skeletal muscle is also known as striated muscle.

Therefore in appearance due to myofibrils composed of the sarcomere look light and dark bands in the skeletal muscle under a microscope.

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Explain your observations. What did you observe as you added phenolphthalein to the ammonia solution? What did you observe when vinegar was added?

Answers

Answer:

Liquid ammonia is liquefied ammonia and is basic in nature. It dissolves in water to give ammonium hydroxide which ionizes to give hydroxyl ions. Therefore it turns red litmus blue and phenolphthalein solution pink.

what is occurring during the s phase of the cell cycle?

Answers

The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.

Pls give brainliest ❤️

quién me ayudaría a hacer este crusigrama
gracias ​

Answers

Answer:

Respuesta: hola ami me parece que ya lo hiciste pero te dejo ejemplos:

Explicación: 1.Venezuela

2. Sanclemente

3. Marroquin    

me das corona plis chau

Explanation:

the age of a woolly mammoth can be determined by examining what?

Answers

Answer:

examining the tusks, bones, teeth, (carbon levels in tissues depends)

Explanation:

Carbon-14 can be used to date the remains of dead organisms because all living things use carbon to build tissue.

The biological age of mammoths (also known as the "age at death") is usually estimated by comparison to correlations between the biological age and the wear stages of grinding teeth in extant elephants. As tusks grow, they continually incorporate ingested strontium (Sr), and the incremental record of strontium isotope ratios (87Sr/86Sr) in tusks and teeth can be used to investigate proboscidean movements

scrutinizing the bones, teeth, and tusks (carbon levels in tissues depends)

What are Mammoth?

All living things need carbon to create tissue, making carbon-14 a useful tool for dating the remains of deceased species.

Mammoths' biological age, also known as the "age at death," is typically calculated by comparing it to correlations between that age and the phases of tooth wear in living elephants.

The incremental record of strontium isotope ratios (87Sr/86Sr) in tusks and teeth can be used to study proboscidean movements as tusks continuously integrate ingested strontium (Sr).

Therefore, scrutinizing the bones, teeth, and tusks (carbon levels in tissues depends).

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Concentration of water in a solution outside the cell is 30% The concentration of
water inside the cell is 70%. In what direction will the solvent move if diffusion
occurs? Is energy required?

Answers

Answer:

water will move out of the cell,energy is required

Explanation:

water moves through osmosis which is the movement of water molecules from a region of higher concentration to a region of lower concentration.

5. What natural phenomenon converts nitrogen into the form which organisms can use?

Answers

Answer:

the nitrogen cycle

Explanation:

easy - one giving brainly if correct AND DETAILED!
please give me at least 2.​

Answers

Well you see theres this guy named MrBeast thats taking little kids money and is having one of his slaves eat a water bottle for every dollar

Answer:

Well recently Team Seas has come out for every dollar donated I think it's 1 pound of trash so by donating would be one.

The second would be volunteering to help clean up for example a beach.

For more lasting impact would be to have a machine that collects the trash at where the rivers and streams meet the ocean this will lead to less trash in the ocean. There is a great example of this machine by Mark Rober gives a detailed explanation.

nucleic acids are assembled in the _____ direction.

Answers

5’ to 3’ hope this helps:)

Nucleic acids are assembled in the 5' to 3' direction during DNA replication. DNA replication is the process of duplication of DNA molecule.

What are Nucleic acids?

Nucleic acids are the biomolecules occurring in the chemical compounds which serve as the primary information-carrying molecules in the cells. Nucleic acids play an important role in directing the process of protein synthesis. The two main classes of nucleic acids include deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Nucleic acids can only be synthesized in vivo in the 5′-to-3′ direction and these can be assembled in the same direction in cell, as the polymerases which assemble various types of new strands generally rely on the energy which is produced through breaking the nucleoside triphosphate bonds to attach these new nucleoside monophosphates to the 3′-hydroxyl (−OH) group, through a phosphodiester bond.

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i will give u a brainlyest plz help Thriller! By Michael JacksonWrite a 6 sentence summary of the story. One sentence to explain each part of the storys plot. FILL IN THE BLANKSThe short story __________, by __________ is about ________________________.The characters __________ and _________ are introduced in the exposition, along with the following settings: ___________________________________________________.The following events occur on the Rising Action of the story: _________, ___________,________________, and ____________________________.The climax of the story is _________________ and it happened in the ______________.The following events occur on the Fallin Action of the story: _________, ___________,________________, and ____________________________.The resolution of the story is _____________________________________. Why does Addie compare the settlement home to a lantern in this paragraph? A) To exaggerate the judgmental attitudes of those who run the houseB) To indicate that the community surrounding the house takes its services for granted C) To help the reader visualize the beautiful architecture of the houseD) To symbolize the house as a comforting place in a poverty-stricken neighborhood what mass of water (in grams) is produced by the reaction of 23.0 g of SiO2? Choose the scientific notation for 0.01.O 1x 10-4O 1x 103O 1x 10-2O 1x 101 what is the value of n in the equation (2n + 4) + 6 = 9 + 4(2n + 1)? Study the map, and answer the question. What is the best tilt for this map? Plz i need help. What type of poem is this When I go to sleep at night i dream of starry nights ,my imagination has a thousand possibilities my dreams go in the wildest places I can go to a different galaxy and different planet , My mind is so strong , so I rule a kingdom please help! very easy I will give brainly the nth term of a sequence is n(n-8)n+3find the 1st and 6th terms *Sorry for the bad quality picture!*A frictionless pendulum with a mass of 0.4 kg and a length of 2.1 m starts at point A, at an angle 0 of 60. As it swings downward, it passes through point B, which is 30 degrees from equilibrium. What is the kinetic energy of the pendulum at point B?A) 3.9 JB) 3.0 JC) 1.1 JD) 4.1 J evaluate 2/6 + 1/3 + 1/2 = ? i need your help again Suppose you've just heard an opera singer warm up her voice. Write your own science question about the sounds a singer makes. i need help on this 4 Distance between the lines 3x +4y =9 and 6x + 8y =15 is A chemical reaction takes place in a closed system. The mass of the reactants before the reaction was grams. What must the mass of the products of the reaction be, according to the law of conservation of mass?A. 35 grams B. 30 grams C. 70 grams D. 25 grams if a red plant is crossed with a white plant and the offspring is pink, what is it called ? Which of the following algebraic expressions will translate the sum of eight and twice w? A: 8 + w B: 2(8) + w C: 8 = 2w D: None of these choices are correct. OK SO this is my report card, not my final. I have 2 more coming out so all three add up to my final. how much would i need in my classes to have an average of 90 smt for my FINAL report card?? pls send help the daffodils nodded thier yellow heads at the walkers?