Basic Respiratory worksheet

Respiratory

What are the two entrances for oxygen to enter the respiratory system?Nose and mouth2.

Where does the air go to from the nose and mouth?Trachea and pharynx

3. In between the pharynx and the trachea what structure does this lesson leave out?Esophagus

4. Where is the trachea located in reference to the esophagus?Lateral

5. What structures moisten the air in the Respiratory System?Mouth and nose

6. What is the name for the small air sacs at the end of the bronchioles?alveoli

7. Where does gas exchange take place in the lungs?capillaries

8. What is the main muscle of respiration? diaphragm

9. What happens when we inhale? Exhale?the diaphragm contracts, and pulls the pleural sacs.and the diaphragm relaxes, and pushes on the pleural sacs.

10. Sketch a picture of the respiratory system. Include the following structures: nose, mouth, pharynx, larynx, trachea, bronchus, bronchioles, alveoli and lungs.