Objectives:
• Identify the key parts of the breathing system
• Describe the function of each part of the breathing system
Procedure A: Part A
1. Label the parts of the respiratory system by using the list of words provided below.
2. Write the correct answer in the box.
Procedure B: Part B
1. Using the key features described in each box, write the parts of the respiratory system in the spaces provided.
2. Use the numbered boxes to answer the riddle that follows.
Part A:
1. The branching airways
2. The external nares
3. The tiny air sacs
4. The passageway for food and sometimes for air
List of words:
Alveoli
Bronchi
Bronchioles
Diaphragm
Larynx
Lungs
Mouth
Nostril
Pharynx
Trachea
Part B:
The primary respiratory muscle
RIDDLE: The organ of gas exchange
5
B