THE GALL BLADDER OF A YOUNG MAMMAL.

Part of the body it is found:

• Attached to the liver in the abdominal cavity

Organ associated with:

• Liver

Relationship between the liver and the gall bladder

• The liver secretes bile, which is stored and released into the duodenum by the gall bladder

Function common to both the liver and the gall bladder

• Make bile available for the digestion of food or the Digestion of fats

Describe the gall bladder

• Greenish in colour
• Elongated sac
• Smooth and soft to touch

Description of bile

• Greenish, alkaline fluid

Functions of the gall bladder

• Stores bile
• Releases bile into the duodenum

Functions of bile

• Emulsifies fats and oils
• Neutralizes food by providing an alkaline pH
• Helps in the absorption of fats and oils
• Helps in the absorption of fat-soluble vitamins

Effect of bile on litmus paper

• Bile is alkaline; hence it will turn litmus paper blue, i.e. blue litmus paper remains unchanged, whilst red litmus paper turns blue

Effect of bile on protein digestion

• Bile provides a suitable pH for protein-digesting enzymes in the duodenum

Effect of bile on fat digestion

• Bile emulsifiers, fats and oils for lipase to act on them
• Bile provides a suitable pH for lipase to digest fats and oils.

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