a light year is the distance light will travel in a year which is a long long way light travels 186000 miles a second 300000 kilometers per second so a light second is 186000 miles 300000 kilometers
Best Answer: The ATP-PC system is use for around 10 seconds of an event, the ATP is use for 4-6 seconds before the creatine phosphate (CP) provides energy for a further 5 - 10 seconds. Weight lifting is the best example of a sport using the ATP-PC system.
How ATP is used by the body is largely due to high energy bonds, which can be broken by ATPase, an enzyme specifically present to break the third phosphate bond. Breaking this bond releases a large amount of energy, and ADP, or adenosine diphosphate, remains.t increases the body's ability to make ATP quickly as a source of energy. When considering how ATP is used, understanding the cycle of ATP and oxygen exchange is an important element for a maintaining a healthy body and consistent reserves of energy.