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Circulation, Respiration and Breathing Aims
- To show the main parts of the circulatory system and heart
- To illustrate the relationship between arteries, veins and capillaries
- To illustrate the principle of a double circulation
- To illustrate gas exchange through diffusion in the lungs and the tissues
- To show the main parts of the respiratory system
- To explain the process of ventilation
- To examine how the rate of ventilation is controlled and modified by the brain
- To consider the factors contributing to oxygen debt
- To explore the effects of cigarette smoking on the lungs.
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