Cranial and spinal nerves are part of the system. a. circulatory b. urinary c. central nervous d. peripheral nervous

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?

Health-related fitness components include cardiorespiratory endurance, flexibility, and muscular strength. agility balance body composition reaction time

3reasons on how do friendship affect a teenager?