Documents What does the city do with wastes?What does the city do with wastes? How does a city get new...

Slide 1 Slide 2 What does the city do with wastes?What does the city do with wastes? How does a city get new nutrients?How does a city get new nutrients? Slide 3 Slide 4…

Documents Breathing, Circulation & Digestion The importance of pressure, diffusion and anatomy.

Slide 1 Breathing, Circulation & Digestion The importance of pressure, diffusion and anatomy Slide 2 Slide 3 Lung Structure Spongy – elastic Very large surface area…