Write a letter on: a friend of yours who has been living in Europe for some years has written to you to join him. write a reply to his letter giving, at least, three reasons why you would rather remain in your country.

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells