Biological world

The journey of food

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MOUTH

Teeth break food up. Saliva begins starch digestion.

OESOPHAGUS

Muscles push food to the stomach.

STOMACH

Food is churned and proteins begin to be digested.

SMALL INTESTINE

Digestion is completed. Nutrients are absorbed.

LARGE INTESTINE

Water is absorbed from the remaining material.

RECTUM & ANUS

Faeces are stored, then leave the body.