Hello everyone! how are you all?

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

Which one of the following causes people to go through a cycle of losing weight, gaining it back, then lose it again

Does gender play an important role in the 6 components of health