RESPIRATION WORKSHEET (1)

1. Why do we need to breath?

2. Explain the breathing mechanism.

3. Should someone stops breathing, mouth-to-mouth resuscitation or artificial respiration can be used to help them breath again. Explain how this process is done.
4. List 6 (six) factors that can affect our breathing rate. For each factor, explain briefly how they can affect the breathing rate.

5. What function do the following have in the respiratory system?
a. C- shaped rings of cartilage

b. Cilia

c. Alveoli