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- 1. Multiple Choice
Alveoli have a...
...large surface area to allow diffusion to take place over a greater space.
...small surface area to allow diffusion to take place over a greater space.
...large surface area to allow osmosis to take place over a greater space.
...small surface area to allow osmosis to take place over a greater space.
- 2. Multiple Choice
Alveoli have a good blood supply to maintain the concentration gradients of oxygen and carbon dioxide.
True
False
- 3. Multiple Choice
Alveoli have a...
...moist lining for dissolving gases
...dry lining for dissolving gases
...moist lining for dissolving glucose
...dry lining for dissolving glucose
- 4. Multiple Choice
Alveoli have very thick walls to maximise the distance that gases have to move.
True
False
- 5. Multiple Choice
Select the correct option(s) to describe gaseous exchange in the alveoli.
Oxygen diffuses into the blood.
Carbon dioxide diffuses out of the blood.
Oxygen diffuses out of the blood.
Carbon dioxide diffuses into the blood.
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