it’s B because he’s doing 2 different things
Evacuation and will you please answer my the last three post on my account?
Answer:
Diaphragm
Explanation:
the exchange of air between the environment and the human body is a result of the rhythmic contractions of the rib cage muscles and the DIAPHRAGM. cilia Filtering dust particles out of the human respiratory system is the function of the little tiny hairs
A. U.S. government website is most likely to contain information based upon empirical evidence.
