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Please give an answer. 1.what does the sudden growth spurt at age 10 or 11?2.why are endocrine gland referred to as ductless glands? 3.why do humans become capable of reproduction?

Answer»

Answer:

1.In boys the hair on skin and under arm growth rapids.

THINKING capacity INCREASE.

In girls their breasts start grow hair under arms.

2.because there is loss of duct as they directly secreted by GLANDS where there is USE of hormones.

3 .Because reaching after the AGE of adolescent humans body start to secrete individually hormones such as sperm and ova.



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