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Below are the previews for the slide in Topic 8 - Exchange and Transport in Animals. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.

Powerpoint Description:

This slideshow covers: things our bodies need in order to work, transport systems in the body, diffusion, Fick's Law for rate of diffusion, diffusion in the lungs and villi, surface area to volume ratio, the four parts of blood and their roles, arteries, veins and capillaries and how their structure helps their function, the heart and how it works, respiration (aerobic and anaerobic), anaerobic respiration in plants and yeast, cardiac output and how to calculate it.

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