Verified answer

QUESTION:

What could be the primary benefit of exercise to the circulatory system?

ANSWER:

• It makes the heart muscle stronger

Why?

• Exercise is a good activity in increasing the endurance of your heart in pumping blood in the body. Doing constant physical activities help manage proper weight and reduces your risk of developing high blood pressure and high cholesterol.

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Answer:

B.it makes the heart muscle stronger

because it Improves the muscles' ability to pull oxygen out of the blood, reducing the need for the heart to pump more blood to the muscles. Reduces stress hormones that can put an extra burden on the heart. Works like a beta blocker to slow the heart rate and lower blood pressure