Respiratory System: Organs

2. hollow areas between the bones in your head, help regulate the air you inhale.
3. tissue flap at the enterance of the trachea that closes when you swallow.
6. small branches of the bronchial tubes that lead to aveoli.
8. tube that delivers air from your mouth & nose to trachea.
9. sections on lungs, 3 in right lung, 2 in left lung.
11. openings that pull air from outside your body into your respiratory system.
13. tiny hairs that move in a wave-like motion to filter irritants out of your airways.
15. 2 organs that remove oxygen from air & pass it into your blood.
18. smooth muscle tissue, found in the larynx.

1. bones that surround & protect your lungs & heart.
4. thin sacs, surround each lung lobe & seperate lungs from chest wall.
5. muscle that helps your lungs pull in air & push it out.
7. blood vesicles in the alveoli walls that move oxygen & carbon dioxide.
10. tubes that deliver air from mouth & nose to trachea.
12. passage connecting your throat & lungs.
14. tiny air sacs in the lungs, exchange of oxygen & carbon dioxide.
16. above the mouth, has nostrils and used for breathing and smelling.
17. hollow organ that allows you to talk & make sounds when air moves in & out.