1. In respiratory system wind pipe is also known as
a) Larynx
b) Trachea
c) Pharynx
d) Esophagus

2. The lungs are protected from which of the following
a) Rib cage
b) Diaphragm
c) Cartilage
d) Tiny sacs

3. The purpose of little hairs present in the nostrils is
a) To fight foreign agent
b) No purpose
c) To keep dust out of lungs
d) Both 1 and 3

4. _____ is made up of air carrying tubes and tiny sacs
a) Lungs
b) Ribs
c) Diaphragm
d) Cartilage

5. The amount of air that leaves the lungs under normal conditions is called
a) Residual volume
b) Tidal volume
c) Expiratory volume
d) Inspiratory volume

6. Gas is carried mostly by the plasma?
a) Carbon dioxide
b) Oxygen
c) Both 1 and 2
d) none

7. Air passing along the respiratory tract is ________
a) Filtered
b) Moistened with water
c) Warmed
d) All of the above

8. The lowermost portion of the pharynx is the
a) Oro-pharynx
b) Naso-pharynx
c) Laryngo-pharynx
d) Eso-pharyrnx

9. The human nose contains how many nasal cavities
a) One
b) Two
c) Three
d) None

10. Due to inflammation the vocal cords gets swollen and thick, the condition known as
a) Laryngitis
b) bronchitis
c) pharyngitis
d) cold and cough