Answer:
C. Decreased risk of injury
Explanation: it Helps Prevent Injury. “By mixing up your workouts, you'll be able to avoid injuries that arise from the overuse of certain muscles,
I think fitness never becomes irrelevant because it helps our healthy in so many ways. Just because fitness becomes more difficult by the natural process of aging, people should always workout just to be a healthy person and live as long as possible.
Answer:
Blood
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide
Very little because a teens brain is still developing thats why most people drink a the age of 21