Respiratory System

2. A strong muscular sheet that separates the chest cavity from the stomach cavity.
6. An airtight space surrounded by the ribcage.
7. Houses the vocal cords.
9. Another name for the throat,splits into the esophagus and larynx
10. Another name for windpipe.
11. The Trachea divides into two tubes called __________.
12. Small branches within the lungs.
13. When the diaphragm contract, the chest cavity expands and the pressure in the lungs decreases.

1. The flap that prevent food going down your wind pipe.
3. Hollow area behind the nose.
4. An indention on the left lung to accommodate the heart.
5. When the diaphragm relaxes, the chest cavity contracts and the pressure in the lungs increases.
8. microscopic air sacs where gases diffuse in and out of the blood.