As does the same exercises on a regular basis, they may find that their heart rate decreases with the same amount of activity, this is because (points : 2) the muscles have acclimated to the work so now it's not as much work the heart muscle has become stronger and can pump more blood and oxygen per beat both a & b none of the above

Why is sustainable agriculture so important?

This is one popular brand of exercise machine

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu