1. Fill in the blanks a) The primary function of system is to supply blood.
b) is the fertilization of an egg but sperm. c) is the main gland of our body.
d) The male gonads are the sources of

Write true or false.
a) Human heart main function is to carry the blood.
b) Pituitary gland is the master of gland. c) Vagina is the part of male reproductive range orgon.
d) Regular health check is needed to only students. ​