pptx, 49.9 MB
pptx, 49.9 MB

Powerpoint lecture covering the following in a modern, concise format:

Specification Point 2.48 - Explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries.

Specification Point 2.49 - Understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease.

Specification Point 2.50 - Practical: Investigate breathing in humans, including the release of carbon dioxide and the effect of exercise.

Complete set of Chapter 3 Lectures are available.

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