Final answer:
Exercise increases HDL level and resting metabolism, while decreasing resting heart rate. Exercise also increases stroke volume.
Step-by-step explanation:
The level of high-density lipoproteins (HDL) increases as a benefit of exercise. HDL is known as the 'good' cholesterol and higher levels of HDL are associated with a reduced risk of heart disease. Exercise can raise HDL levels by promoting the production of enzymes that help remove LDL cholesterol from the bloodstream.
Resting metabolism increases as a benefit of exercise. Regular physical activity can increase muscle mass, which in turn increases the number of calories your body burns at rest.
Resting heart rate decreases as a benefit of exercise. Exercise strengthens the heart, allowing it to pump more blood with each beat. This results in a lower resting heart rate as the heart becomes more efficient.
Stroke volume increases as a benefit of exercise. Stroke volume refers to the amount of blood pumped by the heart with each heartbeat. Regular exercise can increase the size and strength of the heart, allowing it to pump more blood with each contraction.
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