How does the movement of the diaphragm cause the air to go in and out of lungs

Any sound above what db can cause hearing loss in human beings

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.