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.
Making the world better, one answer at a time. Well your body is made of chemicals. We use chemicals to keep us alive. We breathe in oxygen and nitrogen to be used in different processes (Kreb's cycle). We use NSAIDs (nonsteroidal anti-inflammatory drugs) for pain. Blood work is analyzed in a lab which IS chemistry.