mariaaalopezz
28.07.2019 •
Biology
What can track storms in different altitudes?
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Ответ:
Ответ:
A. Gas exchanges takes place by diffusion.
B. It is an open system.
Explanation;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.