Anatomy Unit 11 Study Guide

Respiratory System Study guide:

Answer the following; submit through course messages to your instructor.

1. What percent of air is oxygen? 21% oxygen

2. What is the entire process of gas exchange between atmosphere and body cells called – Respiratory system

3. What is the waste product of cells? carbon dioxide

4. What organs are located in the upper respiratory tract? Nose, pharynx, larynx

5. What organs are in the lower respiratory tract? Lungs, diaphragm

6. What is the function of the nasal cavity? When you inhale, air is drawn into the nasal cavity, which warms, moistens and filters the incoming air.

7. What does mucous do? trap

particles of dust, dirt, bacteria and pollen that could otherwise make you extremely sick

8. What is the function of the larynx? air flow to lungs and voice

9. Which lung is larger, the right or the left? Right, it has 3 lobes

10. What is laryngitis? Inflammation of the larynx, or voice box

11. What is a bronchoscopy? It is a procedure in which a cylindrical fiberoptic scope is inserted

into the airways. The scope is a slender tubular instrument with a small light

on the end for inspection of the interior of the bronchi.

12. The paranasal sinuses are resonant chambers that affect the quality of voice and function to reduce weight of the skull.

13. What is found within the trachea that prevents it from collapsing and blocking the airway?

C-shaped rings

14. What is inspiration? inhaling

15. What is tidal volume? The measure of the quantity or capacity of a substance.