docters tested a student to see what molecules are in her cells. her cells contained normal levels of oxygen molecules and low levels animno acid molecules and low levels of glucose . will this patient be able to exercise normally?

Mason joined the water polo team at his school. as part of his conditioning, mason's coach requires a 25-minute run during practice. mason's heart rate reaches 125 beats per minute, but his target heart rate zone is 138—183 beats per minute. what should mason do to get the most benefit for his heart? increase the amount of time he runs increase the speed at which he runs decrease the amount of time he runs decrease the speed at which he runs