Which of the following is a true statement regarding physical activity and cardiovascular health? (Select all that apply.) Aerobic exercise decreases resting heart rate because the heart has an increased stroke volume. Aerobic exercise increases LDL, or “bad,” cholesterol in the blood because blood circulation is increased. Aerobic exercise increases resting heart rate because the heart pumps more blood while in a rested state. Aerobic exercise reduces heart disease because it makes the heart work harder, improving its strength.