Welcome to your Human Physiology
1.
In insects, respiration occurs through
3.
Which vertebrates respire only through lungs?
4.
Cutaneous respiration is seen in
5.
Which part of respiratory tract lacks cartilage?
6.
Breathing is best defined as
7.
Exchange of gases in sponges occurs through
8.
Which gas is utilised by organisms to release energy?
9.
Which respiratory organ is used by fishes?
10.
Respiratory surface must be
11.
Which structure prevents food from entering trachea?
