Q. Mother's milk, during initial days of lactation is rich in ____ antibodies.

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Solution:

Immunoglobulin is one of a group of proteins (globulins) in the body that act as antibodies. They are produced by specialised white blood cells called B cells and are present in blood serum and other body fluids. Immunoglobulin A (IgA) is found in saliva, tears, breast milk, and mucous secretions, where its role is to neutralise viruses and bacteria as they enter the body.