Participating in extreme sports can help your cardiovascular system work properly and better because extreme sports usually are very taxing in terms of being an aerobic sport which also puts a lot of burden on the aerobic system. Another benefit would be not so health-related but more personal; doing extreme sports and being close to death - which can hppen - makes one more appreciative and aware of life and death.
The answer to you're question is ... True.
Answer:
Any iron or metal cleaning
Answer:
147 to 161 bpm
Explanation:
The appropriate formulas are ...
220 - age = maximum heart rate
⇒ 220-32 = 188
Maximum heart rate - resting heart rate = heart rate reserve
⇒ 188 -52 = 136
(Heart rate reserve X training%) + resting heart rate
⇒ 136 × {0.7, 0.8} +52 = {147.2, 160.8}
John's target heart rate range is 147 to 161.
C. From what I have read they come from the outdoors.