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Nina [5.8K]
3 years ago
10

The circulatory, or cardiovascular system, is composed of

Biology
2 answers:
Nitella [24]3 years ago
4 0
<span>C. heart, blood and blood vessels.</span>

The cardiovascular system is also known as the circulatory system.It is made up of the heart, the blood vessels namely arteries, veins and capillaries, and approximately five liters of blood.The circulatory system's major functions are to transport  oxygen, hormones, and nutrients to every cell in the body, and to tale away cellular waste products from the cells such as carbon dioxide  and bring them to excretory organs  where they are expelled out of the body.
Svetlanka [38]3 years ago
4 0
<h3>Answer:</h3><h2>(C) Heart, Blood and Blood vessels. </h2><h3>Explanation:</h3>

The circulatory system is composed of blood vessels that take blood apart from and towards the heart. Arteries move blood aside from the heart and veins bring blood back to the heart. The circulatory system offers oxygen, nutrients, and hormones to cells, and eliminates decay products, like carbon dioxide.

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Is oxygen an biotic or abiotic factor?
Nana76 [90]
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8 0
3 years ago
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A classmate tries to argue that this result is because the butterfly wings must have absorbed the colors.
antoniya [11.8K]

The expression of certain genes at different levels may cause color variation in the butterfly wings.

<h3>What is gene expression?</h3>

Gene expression is the cellular process associated with the transcription of certain genes in particular cell types.

In this case, the trait color in butterfly wings is associated with the differential expression of certain genes during development.

The variation in color may be due to the expression of different alleles in butterflies or the same allele at different levels.

Learn more about gene expression here:

brainly.com/question/20682055

4 0
2 years ago
The identity of the atom is based on A. the number of protons it has. B. the number of electrons it has. C. the number of neutro
Xelga [282]

The identity of an atom can be determined by the number of protons it has. A is the correct answer. I hope this helps!

7 0
3 years ago
What is the source of energy in a food web?
MatroZZZ [7]

Answer:

A

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8 0
3 years ago
Explain the difference between plasma and the formed elements of the blood.
Pavel [41]

Answer:

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3 0
3 years ago
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