Explain why it's important to consider the length of time you've been away from your exercise program when you're making plans to resume your regular exercise activity.

It's important because jumping back into a hard exercise program can hurt your body. You should start out slowly. Take breaks when needed so you don't strain yourself. It is also important to have a day of rest. You don't want to over do it

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy

God to do a cool down after working out.  hope this .      cheers!