Adaptions for animals in transport
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- Created by: Sfranp I
- Created on: 04-03-16 14:15
Other questions in this quiz
2. What do the elastic fibres in arteries allow?
- Elastic fibres reduce friction
- Structure
- Stretching- to accomadate changes in blood flow and pressure
- Diffusion
3. What is the purpose of smooth muscle in blood vessels?
- Smooth muscle regulates blood flow and maintains blood pressure
- Increases blood flow
4. What is the middle layer of a blood vessel called?
- lumen
- tunica media
- tunica externa
- endothelium
5. Why is the endothelium lining smooth?
- To increase the rate of blood flow
- Just cause
- To reduce friction and minimize the resistance of blood flow
- So that the blood is kept at a low pressure
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