How the lungs are adapted for gas exchange
- Created by: emily_w
- Created on: 18-11-14 12:33
Other questions in this quiz
2. What does squamous mean?
- Flattened
- Square
- Spherical
- Tightly packed
3. What is the diameter of an alviolus?
- 500-700µm
- 40-50µm.
- 100-300µm
- 200-300µm
4. Why must the lungs maintain the diffusion gradient?
- If the gradient is not maintained, diffusion will stop because the gases have reached equilibrium
- Diffusion will stop if the gradient is not maintained.
- If the gradient is not maintained, the person will suffocate
- If the gradient is not maintained, the person will get carbon dioxide poisoning.
5. How does the transport system maintain the diffusion gradient?
- There is low pressure in the capillaries
- Qxygenated blood is transported around the body
- Oxygenated blood cells are removed via the capillaries
- The capillaries widen
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