Cardiovascular disease is a non-communicable disease because it cannot be passed on with physical contact with the infected person
<span>It
is safe to swim in pathogen-contaminated water as long as you do not
swallow any of the water.
-False
</span>
<span>Heart Rate Reserve, HRR. Heart rate reserve (HRR) is the difference between resting heart rate (HR<span>rest) and maximum heart rate</span> (HRmax). Heart rate reserve is used when determining exercise heart rates. The Karvonen formula is used to calculate exercise heart rate at a given percentage training intensity.</span>