Welcome to your Human Physiology -2
1.
The thoracic cavity is anatomically an
2.
Alveolar walls are extremely thin to
3.
In insects, respiration occurs through
4.
Emphysema is caused by damage to
5.
Which gas has higher diffusion rate?
6.
Number of lungs in humans is
7.
Which gas is utilised by organisms to release energy?
8.
Total lung capacity includes
9.
Cutaneous respiration is seen in
10.
Hemoglobin is present in
11.
Intrapulmonary pressure is pressure
12.
Which enzyme catalyses conversion of CO₂ to carbonic acid?
13.
Oxygen dissociation curve shifts right due to
14.
Which condition favours oxygen binding to Hb?
15.
Oxygen is transported mainly by
16.
Respiratory disorders affect mainly
17.
Alveoli are specialised for
18.
Partial pressure of oxygen is highest in
19.
Which muscle contracts during inspiration?
20.
Exchange of gases in lungs occurs due to
21.
Chloride shift occurs in
22.
Myoglobin is present in
23.
Oxyhaemoglobin formation depends on
24.
Partial pressure gradient is essential for
25.
Which pigment carries oxygen in humans?
26.
Residual volume of lungs prevents
27.
Exchange of gases in sponges occurs through
28.
Inspiration occurs when
29.
Which membrane covers lungs?
30.
Expiration is normally a
31.
Which respiratory organ is used by fishes?
32.
Smoking affects respiration by
33.
Breathing is best defined as
34.
Tidal volume refers to
35.
Which gas is transported least by blood?
36.
Which condition increases oxygen release in tissues?
37.
Which structure prevents food from entering trachea?
38.
Carbon dioxide is transported mainly as
39.
Bohr effect relates to
40.
Which factor does NOT affect diffusion of gases?
42.
Vital capacity is maximum amount of air that can be
43.
Which vertebrates respire only through lungs?
44.
Which part of respiratory tract lacks cartilage?
45.
Respiratory surface must be
