Medicare if they are over 65 normally, the other is their 2ndary.
teens can model good physical fitness to other teens in the neighborhood by asking them to join on a run, make them do push ups, or making them follow you around while you hold their phone in the air. (i did the last one to my little brother. he lost 20 pounds doing that lol)
Answer:
True
Vigorous exercise will make your metabolic rate go up and will make your body need more oxygen.
This will make your heart rate go up (so it get the oxygen needed) which will provide challenge to your cardio respiratory system.
