1.as you breathe,___contracts and flatten to give your lungs
room to fill up with air.
a.bronchiole b.diaphragm
c.larynx d.lungs
2.the tiny hairs that keep mucus and dirt out of your lungs are called.
a.bronchioles b.cilia
c.larynx d.lungs
pa help po please
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Answer:
1. b. diaphragm
2.b. cilia
Answer:
1) b. diaphragm
2) b. cillia