Class 12 Biology Human Reproduction Parturition and Lactation

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Colostrum,the yellowish fluid secreted by the mother during the initial days of lactation,is very essential to impart immunity to the newborn infants because it contains:

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A
Natural killer cells
B
Monocytes
C
Macrophages
D
Immunoglobulin $A$

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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Reproduction

Subtopic

Parturition and Lactation

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Write a note on the structure of mammary glands.

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$A$: Lactational amenorrhoea is due to high levels of prolactin.
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