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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