Which of these structures in frog receive sound signals?

Earthworm consists of an open type of circulatory system.

In which abdominal segment are the anal cerci present in cockroach?

What is the function of typhlosole in earthworm?

Where are the male genital pores present in earthworm?

Osteocytes are present in spaces called __

Which of the following is not a function of fibres of connective tissue?

Which of these is not a sense organ in cockroach?