How are the lungs made healthier during cardiovascular exercise?

*they grow in size.

*the muscles around them are strengthened.

*they make more atp energy.

*all of the above

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

What should i do when a baby has gas at night?

When should garbage be removed from food preparation areas?