If i order 4 mg of medicine and the vial states that there are 2 mg in 1 cc how many cc's do i need to give to deliver 4 mg

2 cc
Because 2cc= 4 mg

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.