The food which is rich in calcium.

The hormone that is secreted when we are afraid.

Iodine is necessary for the proper functioning of :

Parkinson's disease is actually:

The most common disease in the world.

The entire digestive tracts or alimentary canal from the mouth to the anus is over__________ meters.

Poor night vision indicates deficiency of

A vision defect wherein one can't see distant objects clearly.

During mumps these glands are inflamed:

The mineral found in bones,teeth and shells