Fructose is present in the secretion of

What is the common duct shared by the reproductive and excretory systems in the human male?

The prostate gland surrounds the $A$. It produces a milky, slightly alkaline solution which forms $B$ volume of the semen. The secretion contains $C$ acid and enzymes (acid phosphatases, amylase, pepsinogen, and prostaglandins). $A$, $B$, and $C$ in the above statement are:

Identify the diagram given below.

Leydig cells secrete:

In humans, the testes are located outside the abdominal cavity within the scrotum. What is the purpose of this arrangement?