Which of the following is true about hearts of earthworm?

A.\tThere are 5-7 pairs of heart.

B.\tThey are present between 1-7th segments.

C.\tThey are present lateral to the oesophagus.Correct Answer

D.\tThey pump blood from ventral to dorsal vessel.

Correct Option: C.\tThey are present lateral to the oesophagus.

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