Question

. What are the functions of testis in the human male reproductive system? Why are these located
outside the abdominal cavity ? Who is responsible for bringing about changes in appearance seen in boys at the time of puberty?
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Answer 1

they produce sper it is there main function

harmones are responsible for changes in boys

Answer 2

Answer:

Functions of testis:

Produce sperms

Produces male hormone/testosterone.

These are located outside the human body, as sperms need lower temperature than the normal body temperature to mature.

Testosterone is responsible for bringing changes at the time of puberty in boys.