Gas Exchange Worksheet
1. Use the word bank below to label the structures in the respiratory system
Bronchioles
Mouth
Alveoli
Bronchi
Trachea
Diaphragm
2. On the diagram above, draw the pathway of air entering the lungs. Ensure you
include at least three arrows showing direction of movement.
3. What is function of the diaphragm?
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4. Which gas does the body need to remove from the bloodstream?
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5. Name the part of the blood that carries the oxygen
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