Why are testes present outside the body cavity?

Testes are present outside the body cavity. Give reason/Justify

For which of the following does the centre of mass lie outside the body ?

Testes are present in the scrotum, outside the abdominal cavity.

Why are the mirrors fitted on the outside of cars convex?

Give reasons Why are the mirrors fitted on the outside of cars convex?

Which type of epithelial tissue is present in the nasal cavities and why?

Testis is situated outside the abdominal cavity in the scrotum. Yet why is the testis abdominal in origin?

State whether the following statement is True or False. Correct the false statement. Animals with true body cavity are called acoelomates.

Heart is present on the dorsal side of the body of non-chordates.