What plays a role in determining your body-type

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

Blank is a disease in which the body is unable to make eunough of the hormone insulin to breakdown sugar into energy

If human development really does proceed continuously, what value does stage theories of development have?