Blood glands of Pheretima occur in segments

Options

A. 1, 2 and 3
B. 3, 4 and 5
C. 4, 5 and 6
D. 10, 11 and 12

Answer

C

Explanation

Blood glands in earthworms are present on the 4th, 5th, and 6th segment and produce blood cells and haemoglobin which is dissolved in blood plasma.