Human Nutrition 3(3+0)

Lesson 34 : Calcium

Functions

The important physiological functions of calcium are:

• Bone formation
• Teeth formation
• Clotting of blood
• Regulates permeability of capillary walls
• Contraction and relaxation of heart muscle
• Regulates excitability of nerve fibres and nerve centers
• Activation of the enzyme ‘rennin’ present in gastric juice
• Participates in several enzyme reactions in the body
• Hormone secretion