Oxygen
0 0 0
2 2 2
Carbon
dioxide
C0 C0 C0
2 2 2
WORKSHEET 3.1
1. Label the breathing organs correctly.
2. Complete the air passage during inhalation.
3. Complete the air passage during exhalation
4. Label the gases inhaled and exhaled from the body.
………………………….
………………………….
Model of breathing organ
Items needed: Bottle, straw, balloon, hot glue gun, scissors and sellotape.
Completed model:
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Primary 4
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