Question

Explain and draw blood vascular system of earthworm.

Answer 1

The intestinal wall contains blood vessels where the digested food is absorbed and transported to the rest of the body. Another important organ system is thecirculatory system. The earthworm has a closedcirculatory system. ... These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessels.

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Answer 2

earthworm has has a closed circulatory system . an earthworm circulates exclusively through vessels ....there are five pairs of aortic arches which have the responsibility of pumping blood into dorsal and ventral blood vessels .
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