1.When you inhale,which of the following contracts and moves down?
a.bronchoiles b.diaphragm
c.lungs d.nose
2.When you exhale,which way does the rib cage move?
A.It moves up
B.It moves out
C.It moves down
D.It stay the same
3.How does the body use the energy released in its cells?
A.to rest the body
B. for making oxygen
C.for muscles to move
D.to lower body temperature
4.What happens when you breath to air?
A.The diaphrapgm expands and the ribcage contracts
B.The diaphrapgm contracts and the ribcage expands
C.The diaphrapgm expands and the ribcage collapse
D.The diaphrapgm contracts and the ribcage remains the same​