It increases heart strength.
Why?
Decreasing number of capillaries in the muscles is not a good and neither is blood cholesterol (hence you watch your cholesterol intake), and osteoporosis is a bone disease not a cardiovascular one.
Participate in some show or do and show to them itself
Answer:
I would say 12 minutes.
Explanation:
I'm basing it off of what I learned in health which is it your heartrate would need to be at 120 within 5 so doing basic math its most likely 12.