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natita [175]
3 years ago
5

What is the name of the chromosomal condition that is the result of an error in meiosis, causing a human to have three copies of

chromosome 21?
Biology
1 answer:
Olenka [21]3 years ago
6 0
The name is Down Syndrome.
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Reactions within ________ provide most of the energy needed by a typical cell.
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<span>the mitochondria.  Hope this helps.</span>
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Kidneys are part of the excretory system in a human body. They purify the impure blood and send it back to the rest of the body.
Liono4ka [1.6K]

The correct answer to this open question is the following.

Although you forgot to attach the options for this question, we can answer the following.

The system that is mainly responsible for the transport of plasma to the kidneys is the circulatory system.

It is true that Kidneys are part of the excretory system in the human body. They purify the impure blood and send it back to the rest of the body. They do this through the formidable circulatory system that sends blood and nutrients to all organs of the human body.

That is why it is important to take care of our kidneys on a daily basis. Drink a lot of water. Water cleanses your kidneys and removes impurities.

And another good recommendation is not to remain seated for a long period of time. Stand up regularly and do some moderate exercise.

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3 years ago
Asap plzzzz I need helpp will give brainliest.​
Naily [24]

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5 0
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A) test the null hypothesis that the mean blood levels of dde are identical for women with breast cancer and for healthy control
Vera_Pavlovna [14]
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4 years ago
The exchange of carbon dioxide and oxygen in the alveoli of the lungs is an example of what?
nignag [31]

Answer:

The correct answer is C) Passive transport

Explanation:

During the respiration process exchange of gases takes place between lungs and blood. This gas exchange is carried by simple diffusion which is a passive transport. Here gas molecule moves from area of higher concentration to the lower concentration area.

The lung's alveoli are surrounded by blood capillaries in which the concentration of CO2 is high while in alveoli concentration or partial pressure of CO2 is low so CO2 moves from blood to alveoli through diffusion.

In the case of oxygen, the concentration of oxygen is high in alveoli and less in blood inside blood capillaries so oxygen moves from alveoli to blood by diffusion. So the right answer is C.

7 0
3 years ago
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