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WorksheetsTopic 8
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following structures is part of the upper respiratory system?
a)
Nose
b)
Larynx
c)
Trachea
d)
Bronchi
2.
What is the primary function of the conducting zone in the respiratory system?
a)
Filtering, warming, and moistening air
b)
Gas exchange
c)
Producing sound
d)
Pumping blood
3.
During inhalation, what happens to the diaphragm?
a)
It contracts and moves down
b)
It relaxes and moves up
c)
It remains unchanged
d)
It expands sideways
4.
What is the normal breathing rate for adults?
a)
12–20 breaths per minute
b)
5–10 breaths per minute
c)
25–30 breaths per minute
d)
35–40 breaths per minute
5.
Where does external respiration occur?
a)
Between the alveoli and pulmonary capillaries
b)
Between the blood and tissue fluid
c)
Between the trachea and bronchi
d)
Between the nose and pharynx
6.
What is the main gas exchanged during internal respiration?
a)
Carbon dioxide
b)
Nitrogen
c)
Oxygen
d)
Hydrogen
7.
Which part of the brain controls the rate of ventilation?
a)
Medulla oblongata
b)
Cerebellum
c)
Hypothalamus
d)
Cerebrum
8.
What causes air to flow into the lungs during inhalation?
a)
Negative pressure in the alveoli
b)
Positive pressure in the alveoli
c)
Contraction of the alveoli
d)
Expansion of the bronchi
9.
Which of the following is part of the respiratory zone?
a)
Alveoli
b)
Trachea
c)
Bronchi
d)
Larynx
10.
During exhalation, what happens to the rib cage?
a)
It moves down and in
b)
It moves up and out
c)
It remains unchanged
d)
It expands sideways
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