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Vlad1618 [11]
3 years ago
13

What is the advantage of having valves in the veins?

Biology
2 answers:
iogann1982 [59]3 years ago
7 0

Answer: Why do veins have valves and what is their function? These valves are what ensure blood flows toward your heart. Vein valves work hard, against gravity, to bring the blood that flowed down via arteries back up to your heart.

Explanation: thats the answer i hope this helps you :)

enot [183]3 years ago
5 0

Answer: ensure blood flows toward your heart

Explanation:

These valves are what ensure blood flows toward your heart. Vein valves work hard, against gravity, to bring the blood that flowed down via arteries back up to your heart. When your vein valves are open and healthy, they are able to do their job properly, as the blood is easily able to flow up.

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Cells are the basic units of life in living organisms. Which of the following components make up cells? A. atoms and molecules B
Liono4ka [1.6K]

Answer:

Cells are the basic units of life in living organisms. Which of the following components make up cells?

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Which of the following is not an example
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Answer:

D

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