Match the following:

1.)-(c) Testes is the male reproductive gland whose functions are to produce sperm and testosterone.

2.)-(b) pituitary gland is a type of endocrine gland which is located at the base of the brain. Various hormones are secreated by pituitary gland that regulate the functions of other endocrine glands.

3.)-(d) menarche is the first appearence of menstrual cycle (first menstrual bleeding) in primate females at puberty. It starts at the age of 11-13 years.

4.)-(a) Estrogen is the primary female sex hormones. Responsible for development and regulation of the female reproductive system and secondary sex characters.