Answer:
D
Explanation:
They can rip but they do reduce the risk
For attaining and maintaining mental and emotional health you should get regular exercise and eat nutritious food because exercise relieves stress. Exercise<span> and other physical activity produce endorphin—chemicals in the brain that act as natural painkillers—and also improve the ability to sleep, which in turn </span>reduces stress<span>. </span>
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
