In Pheretima, there are red coloured round bodies in `4^(th),5^(th)` and `6^(th)` segments above the alimentary canal. They are believed to be involved in

Options

A. respiration
B. digestion
C. reproduction
D. leucocyte production

Answer

D

Explanation

In Pheretima, the red coloured bodies found in `4^(th),5^(th)` and `6^(th)` segments above the alimentary canal are called blood glands. These glands serve for the manufacture of blood corpuscles (leucocytes) and haemoglobin.