The stomach is divided into how many major portions?

What is a diphyodont type of dentition?

Where does the mouth lead into the alimentary canal?

The condensation of chromosomes is observed in ______

Night blindness is caused by the deficiency of vitamin _____.

Nails consist of modified ________ cells

Which organ does detoxification and produces chemicals needed for digestion?

Who discovered the first vaccine for smallpox?