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Wewaii [24]
2 years ago
10

Which statements about the circulatory system of a mollusk are true?

Biology
1 answer:
goldenfox [79]2 years ago
5 0
<h3><u>Answer;</u></h3>

A. Gas exchanges takes place by diffusion.

B. It is an open system.

<h3><u>Explanation</u>;</h3>
  • Most molluscs and arthropods have an open type of circulatory system.
  • Open circulatory systems pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells.
  • Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.
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