Question
Question: Which of the following is correct about the blood vascular system of earthworm?...
Which of the following is correct about the blood vascular system of earthworm?
A
Blood vascular system is different in first 13 segments as regards to number, arrangement and nature of blood vessel
B
Small blood vessels supply the gut, nerve cord, and the body wall
C
Respiratory exchange occurs through moist body surface into blood stream
D
All
Answer
All