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Human Body Systems · Semester 2

The Human Respiratory System: Gas Exchange

Detailed study of the structure of the respiratory system and the mechanism of breathing and gas exchange in the lungs.

Key Questions

  1. Identify the main organs of the respiratory system and their functions.
  2. Explain the process of inhalation and exhalation.
  3. Analyze how the alveoli are adapted for efficient gas exchange between air and blood.

MOE Syllabus Outcomes

MOE: Human Respiratory System - Sec 1
Level: Primary 3
Subject: Science
Unit: Human Body Systems
Period: Semester 2

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