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Vika [28.1K]
2 years ago
10

How is the circulatory system of the earthworm different from the crayfish? hypothesize as to why these differences exist (hint

- consider where each lives)​
Biology
1 answer:
dem82 [27]2 years ago
4 0

Answer:

The circulatory system of the crayfish is an open system where the blood is contained in vessels for only part of the system. The heart is located in a pericardial sinus located in the upper part of the thorax (a sinus is a sac or cavity). The heart pumps the blood into the arteries.

Explanation:

hope it will help you

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