Answer:
Because capillaries are only one cell layer thick, they only have a tunica intima. This ultra-thin design allows for the exchange of gases and nutrients through the capillary walls.
Answer:
C. Use smooth movements
Explanation:
Using quick movements increases your risk of injury.
If you are really sad and feel exhasted all the time. You don;t feel good enough for life. Sometimes you lose the will to live to do anything. You want to give up among a number of other things.
You need to increase your muscles core temperature and dynamic stretching can accomplish this
