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.
Our body gets energy through metabolism of food. The chemical reaction in the body cells converts foods into glucose (product of carbohydrate metabolism), amino acids (product of protein metabolism), and fatty acids (product of lipid metabolism), which are used for providing energy.ur body gets energy through metabolism of food. The chemical reaction in the body cells converts foods into glucose (product of carbohydrate metabolism), amino acids (product of protein metabolism), and fatty acids (product of lipid metabolism), which are used for providing energy.