How do substances get into, out of and around our bodies?Audio

Cells carry out chemical reactions that are essential for organism survival. The substance needed for the reactions have to get into the cells and waste products must be removed from the cells.

Part ofBiology (Single Science)The human body - Staying alive

Explore diffusion, osmosis and active transport with Dr Alex Lathbridge. Listen to the full series on BBC Sounds.

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How do substances get into, out of and around our bodies?

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