T E A C H I N G S T R A T E G Y

I. Subject Matter: The Respiratory System

Time Frame: 3 periods

1. Objectives:

1. Identify the parts and function of the human respiratory system
2. Trace the path of air from the nose to the lungs
3. Explain gas exchange between the blood in capillaries and air sacs
4. Name some diseases of the human respiratory system
5. Suggest ways of maintaining efficient functioning of the human respiratory system

III. Materials:

A. For Teaching

Colored transparency/poster or enlarged drawing of the respiratory system from any of the suggested textbooks
Overhead projector (OHP, if transparency will be used)

a. For Student Activity

Lung model (available at UPNISMED @ P50.00 each) or this can be made using the following materials:

Cotton Cigarette
Empty ballpen tube Iron nail (size 3 or 4)
Clean plastic bag Masking tape
Rubber band (5-10 pcs.) Ice candy plastic (2 pcs.)
Glue gun Glue gun stick or mighty bond
Ballpen cap Stripping knife
Hacksaw blade Match or lighter
Plastic jar (peanut brittle or any delicacy container)

The lung model can be provided for the whole class for demonstration or each
group can make one if materials are available.