hmm..try with metabolism,some important ions in body,essencial aminoacids, you can regulate your nutrition,…that’s the first thing on my mind…

anatomy,physiology(Ca and contraction of muscles,…),…

Respitory system also comes to play a major role in atheletics. That is taking in more oxygen and cells use oxygen to produce energy which helps athelet to be active.

Production of ATP

Hand eye coordiation, as for hydration- water is lost during exercise and needs to be topped up, as do various ions- which is why isotonic drinks are popular.

Mos parts of human anatomy have aplications in sports/atletichs. In my country, at the phisical education faculty you have to take a human anatomy class…
What exactly ar you interested in?

As a runner I know that it is critical to be properly hydrated before every type of exercise. During exercise electrolytes (the different types of ions) are needed to transfer energy through the body. Without electrolytes in your body the messages given off by your brain is not received in the muscles of your body. Without that message the muscles shut down and you feel a num feeling.

Cellular respiration – ATP production
Anaerobic Respiration

lol in bio class today we were talking about sports..it was off topic and our teacher said long distance runners there casual heart beat is 45 beats per min but when they start running it gose up to normal beats liek 60 b/min…lol i think that was off topic b/w

Try http://www.exrx.net. ExRx (Exercise Prescription) on the net is a resource for the exercise professional, coach, or fitness enthusiast. The authors of this site are qualified in their respective fields, like kinesiology, aerobic conditioning, etc. It has sections on Exercise Instruction, Weight Training, Kinesiology, Aerobic Conditioning and many others.