2. Why don't women have beards?

In the case of human beings, the growth of hair on the face is totally dependant on the action of some hormones. Hormones are bodily secretions to help various functions of the body. Androgen is the hormone responsible for the growth masculine features in a humans.
For males, more androgens are produced when the are grown up, while for females oestrogen is produced more. Since the functions of the androgen is to regulate features such as the growth of facial and chest hair and deepening of the male voice as a boy grows up. The functions of the oestrogens is to regulate female features.
In short, women do not usually have beads, because they have less androgen in their body

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