Your heart is very important. the reason your heart is important because the heart keeps blood that's full of oxygen circulating through your body. the heart is also needed for survival, without one you would be alive today. The heart also sends blood around the body. The blood provides the oxygen and nutrients which is needed.
B. most exercise machines require spotters for safe operation.
Archery and Tennis are solo games. Baseball is a light to moderate sport. So the answer must be Volleyball.
= Volleyball
A sedentary lifestyle is a lot of sitting around and little exercise.
A active one is the opposite. Exercise, playing sports, etc.
If you ran in place for 20 minutes and stop every 5 mins then your heart rate will be in your target zone
