Question

What is sperm and testis????

Answer 1

Explanation:

Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. ... The seminal vesicles and prostate gland make a whitish fluid called seminal fluid, which mixes with sperm to form semen when a male is sexually stimulated.

Answer 2

$\tt\pink{\underline{Testis}}$

→A pair of testis is situated outside the abdominal cavity in a sac of skin is called the scrotum. Scrotum keeps the testes at a temperature 22.5 degree Celsius lower than the internal body temperature which is necessary for the synthesis of sperms .

→Each testis is oval in shape measures about 4 to 5 cm in length and is 2 to 3 cm in width .

→The outermost covering of the testes is formed by a dense fibrous membrane called tunika albinia .

→Each testes is divided into 250 compartments called testicular lobules .