What is the phase of life when the body undergoes changes to attain reproductive maturity called?

Write any two changes in bodies of boys during adolescence.

What is reproductive maturity called?

Answer the following :

(a) Name the endocrine gland associated with brain?

(b) Which gland secretes digestive enzymes as well as hormones?

(c) Name the endocrine gland associated with kidneys?

(d) Which endocrine gland is present in males but not in females?

What makes a person tall during adolescence?