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KiRa [710]
3 years ago
5

!!Pls help me!! Out of the circulatory system, respiratory system, muscular system, skeletal system, and nervous system, which b

ody system do you think is the most important? List 3 reasons why you think so.
Biology
1 answer:
Elenna [48]3 years ago
7 0

Answer:

The Circulatory System is most important.

Explanation:

It is important because the circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

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D. A nitrogen base has been added to the DNA molecule.  

Explanation:

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What happens to contraction of a muscle cell if some of the Ca2+ that was released during a contraction is still in the cytoplas
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