How do the circulatory and respiratory systems play a role in track and field?

Track and field requires a lot of running

Explanation:

When someone runs, blood needs to be circulated throughout the whole body.  Constant blood is pushed throughout the body due to blood vessels in our circulatory system.  The heart pumps faster so more blood is produced. Oxygen is needs to be reached to muscles.  When someone runs, they tend to breathe heavier.  Heavy breathing and more breathing is done by the respiratory system.  Lungs need to filter air and therefore the respiratory system works hard as well

The answr is Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water