(a) Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. (b) Name the parts of the human female reproductive system where i. fertilisation takes place ii. implantation of the fertilised egg occurs. Explain how the embryo gets nourishment inside the mother's body.

a) The human reproductive organ that produces sperms and also secretes hormone is testis. The hormone testosterone is secreted which is responsible for the development of male secondary sexual characters such as body hair, muscles and bone mass.
b) i) Fertilization takes place in the oviduct.
ii) Implantation of the fertilized egg takes place in the uterus.
Embryo takes its nourishment from a special disc-shaped tissue embedded in the uterine wall of the mother. It is through this tissue that the nutrients and waste materials are exchanged between mother and foetus. This tissue is known as placenta.