energy.doc - ENERGY SYSTEM Aerobic and anaerobic energy...

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ENERGY SYSTEM Aerobic and anaerobic energy systems All energy systems work together to provide the body with energy. Two main energy systems are responsible for providing energy to the working muscles in the human body - the aerobic and anaerobic energy systems. The aerobic system supplies energy using oxygen and the anaerobic system supplies energy without the use of oxygen. Aerobic System : Long duration, medium intensity activity. Uses oxygen to remove lactate. (e.g. Marathon runners, Triathletes). Anaerobic energy system can be divided into: 1. the lactic acid system (forms lactic acid from delivering energy to the muscle). Medium duration and high intensity activity. Latic acid builds up in muscles (e.g. 200m, 400m sprints, 50 swimming race) 2. the phosphagen systems or called Phospho-creatine (PC) system (use phosphagen as a fuel to deliver energy to the muscle), Immediate energy, from energy stored in muscles (ATP), for short duration, explosive activities (e.g. weightlifting, 100m sprint, throwing athletic events) ATP (adenosine tri-phosphate ): a compound (adenosine + ribose + 3 pieces of phosphates) consisting of an adenosine molecule bonded to three phosphate groups, present in all living tissue. The breakage of one phosphate linkage in ATP (to form adenosine di-phosphate, ADP) provides energy for physiological processes, such as active transport used in body metabolism or muscular contraction.
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  • Fall '19
  • NoProfessor
  • Adenosine triphosphate, energy system

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