Question

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

Answer 1

Answer:

1. to get oxygen to our cells
2. when we inhale, the diaphragm goes down and our lungs expand
3. pinch nose closed and give 2 breaths, 1 second long each
4. ?
5. a. ? b. appendages that stick out of the eukaryotic cell c. exchanges oxygen and carbon dioxide molecules to and away from the bloodstream  

Explanation: