Question

Urethra forms the common passage for both sperm and urine. Give reason.

Answer 1

because it is the only tube in the penis

it carries urine and is joined by the vas defrence

Answer 2

It serves as a passage both for urineand semen. ... Fluids are added by the seminal vesicles before the vas deferens carries the sperm to the ejaculatory ducts, which join theurethra inside the prostate gland.