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Enzymes video clip (BBC Bitesize)
The role of enzymes in speeding up chemical reactions in the human body is explained in a video clip and a list of key points.

Enzymes (BBC biteszie)
Learn what enzymes are, how they can be speeded up and how they work by visiting this site.

Enzymes of the digestive system (BBC Bitesize)
There are enzymes in the digestive system which break down foods. Visit this site to learn about them.

Blood sugar (BBC Bitesize)
We control the amount of glucose in our blood using hormones. Click here to find out how.

What is diabetes?
Read about and watch a short video to learn what diabetes is and how it can be treated.

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