Our heart rate depends on what we're doing. For example, it will be the lowest when we're sleeping or resting, and the highest when we're performing high-intensity activities. The maximum heart rate ranges from 85% to 100%.
However, you shouldn't push yourself too hard. It's possible to reach the maximum without any consequences as long as you don't suffer from any cardiovascular issues, but you may end up with a musculoskeletal injury. If you go above 85% of your heart rate, you could get sore joints and muscles.
D, by allowing that they never engage in risky behaviors. Knowledge about health can help people understand why some things are risk and why some things aren't.
