Welcome to your Human Physiology
1.
Which structure prevents food from entering trachea?
2.
Which respiratory organ is used by fishes?
3.
Which gas is utilised by organisms to release energy?
4.
In insects, respiration occurs through
5.
Which part of respiratory tract lacks cartilage?
6.
Exchange of gases in sponges occurs through
7.
Cutaneous respiration is seen in
9.
Which vertebrates respire only through lungs?
10.
Breathing is best defined as
11.
Respiratory surface must be
