1. Parts of the Respiratory System and Its Function

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Learning Procedure
Review
What are the main parts of the respiratory system?
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3. Motivation and Presentation
The teacher will show the video clips
Parts and Function 1 and Parts and Functions 2
Then ask the following questions:
When you breathe in, to which organs does air enter?
What is the role of the parts of the respiratory system?
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Activity Proper
1. Giving of instructions and distribution of Learning Activity Sheets by group
Learning Activity Sheets Parts and Function
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2. Groupings (Group Activity)
3. Reporting by Groups
4. Analysis and Discussion
What is the function of each part of the respiratory system?
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6. Abstraction and Generalization
What is the role of the following? nose nasal cavity bronchi bronchioles pharynx lungs lungs larynx alveoli trachea
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7. Application and Valuing
Nenita used to talk loudly. But this time she keeps on moving her lips but there is no sound produced. Which part of her respiratory system is not functioning?
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Evaluation
A. Answer the following questions:
What is the role of the nasal cavities in respiration?
Why are mucus and cilia important in the respiratory system?
3. What is the function of the trachea? Bronchi?
4. Where does the exchange of gases take place?
B. Answer the Crossword Puzzle
Crossword
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Assignment
Draw the respiratory system and label its parts and give the functions of each part.
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