A) Because adequate sleep is as important to fitness as exercise is to healthy living
this is not a health question
Answer: High-Intensity Interval Training
Explanation:
High-Intensity Interval Training, or HIIT, involves short bursts of intense exercise alternated with low-intensity recovery periods.
No, it's because we need to breathe. Your body needs oxygen. Air pressure has little to nothing to do with it as far as I know.
