AP BIOLOGY

Detailed explanation-1: -Additional benefits of exercise: 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.

Detailed explanation-2: -Aerobic activities like walking, running or jumping rope give your heart and lungs the kind of workout they need to function efficiently. Muscle-strengthening activities like weight-lifting or Pilates build core strength, improving your posture, and toning your breathing muscles.

Detailed explanation-3: -When it’s exercised, the heart can pump more blood through the body and continue working at optimal efficiency with little strain. This will likely help it to stay healthy longer. Regular exercise also helps to keep arteries and other blood vessels flexible, ensuring good blood flow and normal blood pressure.