FILL IN THE BLANKS :-
1. The site which responds to a hormone _________________.
2. Chemicals which control changes at adolescence age _________________.
3. It marks the beginning of reproductive periods ________________.
Dear Student, 1.The site which responds to a hormone is receptor/ target site. 2. Chemicals which control changes at adolescence age are GNRH Gonadotrophin Releasing Hormones. 3.Puberty marks the beginning of Reproductive periods. Regards.