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.
You see, your very own fat cells are full of stored energy! When your body needs energy, it will start a complicated process (called lipolysis) that breaks down your stored fat in order to utilize the stored energy. Hereâs exactly how it works: When we eat, food is used or stored as energy for future use.