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.
Your body relies on energy to perform a complex cocktail of chemical reactions in your digestive system and throughout your body. But because the body needs to conserve energy, it frequently relies on the low-energy strategy of osmosis to aid in digestion.