The large flat muscle that moves up and down in order to bring air in and out of the lungs is called the
a. trachea.
b. epiglottis.
c. diaphragm.
d. larynx.

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas

What is the proper way to determine that someone is unresponsive before administering cpr