What are the 6 classes of nutrition

All houses are built according to safety standards, so it is not important to consider injury prevention while at home. select the best answer from the choices provided.otf

Can someone give me one specific health problem, and explain it. !

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