What are the functions performed by the testis in human beings ?
The testes are the male reproductive organs that are located outside the abdominal cavity within a pouch called scrotum.
Functions of testes :
Why is variation beneficial to the species but not necessarily for the individual ?
What are the changes seen in girls at the time of puberty ?
What is the role of the seminal vesicles and the prostate gland ?
Draw a labelled diagram of the longitudinal section of a flower.
If a woman is using a copper $-T$. will it help in protecting her from sexually transmitted diseases?