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Biology Revision Notes:
The Digestive System



Molecules:

Proteins

Made up from amino acids
Needed for growth
There are 20 different amino acids, therefore protein
strains are often drawn with different shapes
Protein is available from some meats, fish, egg-whites
and beans

Carbohydrates

Made up from sugar…

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The digestive system (flow chart):





Comments

Swallowtail

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A well presented set of notes on the digestive system with clear, coloured diagrams and good use of a flow diagram to show the stages of digestion. These would be useful to use alongside a set of flashcards and a quiz to check your knowledge.

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