<span>So all muscle cells contain a high-energy compound called creatine phosphate which is broken down to make more ATP quickly. so it takes about </span>8 to 10 seconds
Children ages 2-11 watch over 24 hours of TV a week. Some studies say the older we get, the more TV we watch.
The answer is C: Number of contractions of the heart that occur in one minute when your body is at rest.
