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    Biology
  3. Study Set
    Animal Diversity
  4. Exam
    Exam 11: Annelids and Allied Taxa
  5. Question
    The Circulatory System in the Earthworm
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The Circulatory System in the Earthworm

Question 15

Question 15

Multiple Choice

The circulatory system in the earthworm


A) is absent.
B) is an open type.
C) uses the dorsal vessel as the main pumping organ.
D) has no pumping structure and depends on the action of body muscles to move the blooD.

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