Enzymes and the digestive system


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Digestive system

The oesophagus: carries food from mouth to the stomach.

The stomach: muscular sac with an inner layer that produces enzymes. Its role is to store and digest food, especially proteins. Other glands produces mucas which prevents the stomach being digested by its own enzymes.

The small intestine: Food is futher digested by enzymes. Absorbs food into blood. Microvilli increase surface area.

The large intestine: absorbs water.

The rectum: faeces stored here.

The salivary gland: secrete amylase. Breaks down starch into maltose.

Pancreas: secretes pancreatic juice.

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