Can someone answer this i wuld do anything

Scientists who study the anatomy of the systems in the human body focus their studies on

Describe specific ways your friend can use frequency, intensity, time, and type to safely apply the overload principles to his workout schedule. provide two ways per training principle. sunday30-minute bike ride monday20 push-ups, 10 squats, and 20-minute jog tuesday30-minute bike ride wednesdayrest thursday20 push-ups, 10 squats, 25 curl-ups, and 20-minute jog friday30-minute bike ride saturdayone-hour walk

Which type of nerve creates a 'mental map" of the relative positioning of the body at any given point in time?