Explanation:
Other exercises that can help improve cardiorespiratory fitness include:
1.running and walking
2. dancing.
3. jump rope.
4. Sports
Note: It is important to exercise to stay fit, heathly, and strong which can also keep you living longer and can keep cancer away for a long time.
Answer:
Sleep routine, he might have got used to it, just as you have got used to yours.
He probably needs 12 hours sleep to 'operate properly'
