Place the following phrases in order to show the process of inhaling and exhaling.
a.) Air rushes into our lungs
b.) Carbon dioxide exits our lungs
c.) Rib Muscles contract lifting up our chest
d.) The diaphragm contracts and moves down
e.) Rib muscles relax lowering down our chest
f.) The diaphragm relaxes and moves up
g.) Our lungs expand
h.) Our lungs become smaller