Marine Corps Physical Fitness Test. Fitness is essential to the day-to-day effectiveness and combat readiness of the Marine Corps. The Marine Corps considers physical fitness an indispensable aspect of leadership.
A: Chemical energy is for producing heat in the human body to sustain vital functions, converting solar energy in plants through photosynthesis, producing electrical energy in batteries to power devices and burning fossil fuels in combustion engines to produce heat or motion.
For the body to perform exercise for any given intensity or duration it requires energy. Energy is provided chemically in the form of Adenosine Triphosphate (ATP), a high-energy phosphate stored within skeletal muscle.ATP is the only fuel that can be used directly by the working muscles for contraction.or the body to perform exercise for any given intensity or duration it requires energy. Energy is provided chemically in the form of Adenosine Triphosphate (ATP), a high-energy phosphate stored within skeletal muscle.