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4.The minerals used by the body and is part of all bones is
a. calcium and phosphorus
b. carbohydrates and iron
c. phosphorus and iron
d. protein and calcium _

5. A tube like-passage for both food and air. a.Pharynx
b. larynx
c. bronchi
d. bronchiole

6. Closes larynx when you swallow.
a. Epiglottis
b. larynx
c. bronchi
d.bronchiole

7. Two short branches at the end of the trachea that carry air into the lungs.
a.bronchi
b. bronchioles
c. alveoli
d.larynx

8. Tiny hair-like structures that trap bacteria in the trachea
a. cilia
b. bronchiole
c.larymx
d.lung

9.Opening of the nose that lead to nasal cavity
a. larynx
b.nasal cavity
c. trachea
d.lung

10. Produces vocal sounds
a.nasal cavity
b.alveoli
c.larynx
d.lung​