I would not sleep in it. Your leg needs some time to " breath".
Answer:
The four major functions of the cardiovascular system are:
To transport nutrients, gases and waste products around the body.
To protect the body from infection and blood loss.
To help the body maintain a constant body temperature ('thermoregulation')
To help maintain fluid balance within the body.
Explanation:
I have a question like this in my quiz
The answer is two. 1 times 2 is 2