Pathway of air through the respiratory system, which structure is found after the larynx?
1 point
Mouth
Nose
Pharynx
Trachea

What behavior of an expectant mother is unhealthy for the fetus

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

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