Welcome to your Human Physiology -2
1.
Hemoglobin is present in
2.
Which pigment carries oxygen in humans?
3.
Which enzyme catalyses conversion of CO₂ to carbonic acid?
4.
Which respiratory organ is used by fishes?
5.
Which condition favours oxygen binding to Hb?
6.
Which membrane covers lungs?
7.
Total lung capacity includes
8.
Intrapulmonary pressure is pressure
9.
Which vertebrates respire only through lungs?
10.
In insects, respiration occurs through
11.
Alveolar walls are extremely thin to
12.
Which part of respiratory tract lacks cartilage?
13.
Which muscle contracts during inspiration?
14.
Cutaneous respiration is seen in
15.
Number of lungs in humans is
16.
Alveoli are specialised for
17.
Myoglobin is present in
18.
Inspiration occurs when
19.
Carbon dioxide is transported mainly as
20.
Smoking affects respiration by
21.
Which structure prevents food from entering trachea?
22.
The thoracic cavity is anatomically an
23.
Breathing is best defined as
24.
Emphysema is caused by damage to
25.
Which gas is transported least by blood?
26.
Vital capacity is maximum amount of air that can be
27.
Which factor does NOT affect diffusion of gases?
29.
Which gas has higher diffusion rate?
30.
Oxygen is transported mainly by
31.
Oxyhaemoglobin formation depends on
32.
Exchange of gases in sponges occurs through
33.
Respiratory surface must be
34.
Partial pressure of oxygen is highest in
35.
Which condition increases oxygen release in tissues?
36.
Chloride shift occurs in
37.
Expiration is normally a
38.
Bohr effect relates to
39.
Respiratory disorders affect mainly
40.
Residual volume of lungs prevents
41.
Which gas is utilised by organisms to release energy?
42.
Tidal volume refers to
43.
Partial pressure gradient is essential for
44.
Oxygen dissociation curve shifts right due to
45.
Exchange of gases in lungs occurs due to
