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.
Understanding chemistry helps us understand our bodies, and keeps us healthy. Your bones are made of calcium phosphate. Your blood has iron in it to carry oxygen. The oxygen is needed for your cells to burn the glucose fuel they use for energy. The cells are enclosed in membranes made up of phospholipid molecules, and they function using enzymes made up of protein. More protein makes up your muscles, skin, and hair. Chemistry happens all throughout your body. You can change the chemistry of your body. For example, the proteins in your hair can be changed to have more connections between them. This is done by adding chemicals to the hair to get a âpermanentâ wave to curl the hair.