Uhh…why are you asking Shane Dawson
Answer:
the diaphragm helps draw air into the lungs
True. hope this is right:)
............................................Peer Pressure
Explanation:
-infectious
-microscopic
-specific to their host
-can't reproduce on their own (this is why they are not considered alive)
-no organells or membranes. just a protein coat and genetic material
-3 basic shapes: helical , polyhedral , and comples
