The venous system is low pressure using either gravity from the upper body or muscle action from the lower body (when we sit/stand). It does have a little pressure naturally. So a cut oozes blood unless you hit an artery. That is high pressure blood carrying oxygen to tissues.
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A runner primarily only excercise his/her legs, while a swimmer exercises most of his/her body
This is why runners primarily have stronger and bigger leg bones, because their exercise is only focused on making one thing (or two) stronger
hope this helps
They learn and become more responsible. Sometimes theyre perspective of the world can change when doing so.
The statement would be : “Your body is using protein and fat instead of glucose”
