Question

Choose one major mineral and describe its function, where it can be found , and the results of a deficiency or toxicity.

Answer 1

ANSWER.

* Calcium.

     Calcium is an important mineral required for the normal functioning

     of the body.

* Functions of calcium.

       * Normal growth and development of bones and teeth.

       * Calcium helps during the process of coagulation of blood.

       *Calcium is required for the permiability of capillary walls.

       * It is required for contraction and relaxation of heart and muscles   

       in the body.

       * It reduce LDL cholesterol level in the body.

       * Calcium required for activation of enzymes like lipase,adenosine

          triphosphate etc.

* Sources of calcium.

      * Milk and milk products.

      * Meat and egg products.

      * Fish.

      * Legumes.

      * Cereals.

* Deficiency of calcium.

     * Calcium deficiency result in Osteoporosis.(Bones become

        brittle).

* Toxicity.

      * Excessive level of calcium in the blood leads to hypercalcemia.

     which result in weakness of bone and muscle pain.