The Liver And Bile: The Body’s Chemical Factory

The Liver And Bile: The Body’s Chemical Factory

Question 1. Bile.
Answer:

• Bile is formed in liver.
• It is both secretory and excretory in nature.
• It enters the digestive tract along with pancreatic juice through the common opening called ampulla of water.

Properties:

• Volume-800- 120 ml/day
• Color – golden yellow/greenish fluid.
• pH-8-8.6 (alkaline)
• Specific gravity – 1.010-1.011

Composition:

1. Water- 87.6%
2. Solids 2.4%
   1. Organic substances.
      • Bile salts.
      • bile pigments
      • Cholesterol
      • Fatty acids
      • Lecithin
      • Mucin.
   2. Inorganic substances.
      • Na⁺,Ca²⁺,K⁺

Question 2. List functions of liver.
Answer:

Functions of liver:

• Storage function.
• Synthetic function
• Secretory function
• Metabolic function
• Excretory function
• Hemopoietic function
• Hemolytic function
• Heat production.
• Inactivation of hormones and drugs
• Body defence.
• Detoxification.