How is digestion similar to combustion/burning (include the terms cells, bonds, energy, and calories in your answer)

Brian said that when you get your body broken such as a arm or leg. it means your bones break to pieces and must do surgery or get a cast to fix it.is it true or false?

Meg is moderately active and completes 30minutes of daily activity above the baseline level. based on the chart, which activity will not increase megs physical fitness?

The only part of the body that should touch the ball when setting in volleyball