The Digestive System The Digestive System breaks down food and absorbs it into the bloodstream. The main organs of the digestive system are the stomach, pancreas, gall bladder, small and large intestine, rectum and anus The Digestive System

The Digestive System The Digestive System

The Digestive System The Digestive System

The Digestive System The Digestive System

Starch, Proteins and Fats are insoluble. Digestive Enzymes Starch, Proteins and Fats are insoluble. They must be broken down before they can be absorbed. Enzymes speed up the break down. Digestive Enzymes

Digestive Enzymes Digestive Enzymes

It catalyses the breakdown of starch into sugars. Amylase The enzyme amylase is made in the salivary glands, pancreas and small intestine. It catalyses the breakdown of starch into sugars. Amylase

Tooth Amyase

Tooth decay Amyase

Amylase Amyase

The Oesophagus The Oesophagus

Protease The enzyme protease is made in the stomach, pancreas and small intestine. It catalyses the breakdown of protein into amino acids. Protease

Protease Protease

Lipase and Bile The enzyme lipase is made in the pancreas and small intestine. It catalyses the breakdown of fats into fatty acids and glycerol. The liver produces bile. Bile is stored in the gall bladder. When released into the small intestine it neutralises stomach acid and emulsifies fats. Lipase and BIle

Bile Bile

Lipase Lipase

The small intestine absorbs soluble food into the bloodstream. The large intestine absorbs water into the bloodstream. The Small Intestine

The Small Intestine The Small Intestine

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