Gas exchange in humans

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Sample objectives

What this unit covers

• Gas exchange in humans: Recognize and label the components of the respiratory system in diagrams and images, including the lungs, diaphragm, ribs, intercostal muscles, larynx, trachea, bronchi, bronchioles, alveoli, and the associated capillaries.
• Gas exchange in humans: Examine and explain how physical activity influences both the rate and depth of breathing.