During puberty the testes of the man will begin to produce testosterone. This causes hair growth in multiple areas of the body and the voice change. Similarly, women begin to grow hair but also begin menstruation.
Im not sure but if there was a graph maybe
Answer: Dermatology
Like you said, derma means skin and having the terminology -logy <span>indicates </span><span>names of scientific fields of study. Basically, dermatology is the branch of medicine that studies skin but also studies </span>scalp, hair, and nails (because they are all associated).
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