Which one of the following is the only other reason a nutrient must be listed as when a manufacturer makes a nutritional claim such as fortified potassium
a) with iron
b) with calcium
c) with flouride
d) with potassium

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