AP BIOLOGY

Detailed explanation-1: -Shot-putters, weight lifters, football players, gymnasts, sprint-distance runners, or any athlete that utilizes explosive movements will utilize this energy system.

Detailed explanation-2: -The ATP-PC System lasts for 6-10 seconds and is used during maximal power output exercises such as all-out effort sprints, jumps, 1RMs etc. It’s the simplest energy production process, as it enables a fast muscle contraction.

Detailed explanation-3: -ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis. These processes, as well as others, create a high demand for ATP.

Detailed explanation-4: -ATP-PC system is predominantly used during maximum intensity activities lasting no longer than 10 seconds. Anaerobic Glycolysis system is predominantly used for high intensity activities lasting approximately 1 minute. Aerobic system is predominantly used during medium to low intensity activity.

Detailed explanation-5: -The ATP-PC system uses a stored molecule in the muscle called creatine phosphate (CP) to resynthesise ATP. It is the breakdown of this molecule that releases the energy needed to rejoin the ADP and free phosphate to form ATP. This system is anaerobic as it works without oxygen, and does not produce any waste products.