To score in the 85th percentile at age 15 in the president's challenge, girls must

What exercise allows you to specify the muscles to be traineda. i sonicb. anaerobicc. isometricd. aerobic

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

This is a negative reaction to food that doesn’t involve the immune system