Q7 of 70 Page 55

Why is mother's milk considered the most appropriate food for a new born infant?

Mother's milk is considered the most appropriate food for a new born infant because in the initial days the thick yellowish fluid called colostrum is produced. Colostrum has abundant antibodies in it like IgA,IgM & IgG etc, which boosts the immune system of an infant.


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What would happen to immune system, if thymus gland is removed from the body of a person?

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Many microbial pathogens enter the gut of humans along with food. What are the preventive barriers to protect the body from such pathogens? What type of immunity do you observe in this case?

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What are interferons? How do interferons check infection of new cells?

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In the figure, structure of an antibody molecule is shown. Name the parts A, B and C.

Show A, B and C in the diagram.