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WorksheetsGas Exchange Lungs
Total questions: 22
Worksheet time: 1hrs 7mins
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.
Alveoli have a good blood supply to maintain the concentration gradients of oxygen and carbon dioxide.
True
False
Alveoli have a...
...moist lining for dissolving gases
...dry lining for dissolving gases
...moist lining for dissolving glucose
...dry lining for dissolving glucose
Alveoli have very thick walls to maximise the distance that gases have to move.
True
False
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.
I. High surface area
II. Thin walls
III. Dry surfaces
Number 11 is pointing to which organ of the Respiratory System?
Alveoli
Lungs
Bronchi Tubes
Bronchioles
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation?
