Question

What is the white substance that come out of boys penis and why does it come
3 marks

Answer 1

That is serum. It is secreted by the seminal vessicle, prostate gland and bulbo urethral gland. Its function is to activate the sperms so that it can swim freely in female genital tract aftr ejaculation. It also makes the sperms alkaline so that it can survive inside the acidic environment of the female genital tract.
Hope it helps.