Question

give one word for the following :

1) the chemical substances secreted by the glands ________

2) specialised organs that secrete particular chemical substance ______

3) the master gland _______

4) the period of transition from childhood to adulthood ________

5) the process of release of a mature ovum by an ovary ______

6) chemical substances that produce physical , mental and emotional changes in a user ______

7) the cycle of producing and releasing a mature ova _______

8) and adolescent girls first menstruation _____​

Answer 1

Answer:

Endocrinic glands