In how many regions, is the body of earthworm divisible?

Which of the following is not a part of the excretory system of frogs?

Areolar tissue is present beneath the skin.

Which of the following statements is incorrect regarding epithelial tissue?

How many chambers are present in the heart of a cockroach?

What is meant by a tissue?

Which of these characteristics of frog is the reason for its short alimentary canal?

Which of these completes the pathway of ingested food in cockroach?