The prostate gland produces secretions for which of the following purposes?

Select the $CORRECT$ match:

Column $A$	Column $B$
$i$. Seminal fluid	$a$. Corpus spongiosum
$ii$. Prostate gland	$b$. Membranous urethra
$iii$. Ejaculatory duct	$c$. Clitoris
$iv$. Erectile tissues	$d$. Fructose
	$e$. Prostaglandins

Which cells secrete testosterone?

The path of sperm transport is given below. Provide the missing steps in blank boxes.
$\boxed{\text{Seminiferous tubules}} \to \boxed{\text{Rete testis}} \to \boxed{A} \to \boxed{\text{Epididymis}} \to \boxed{B} \to \boxed{\text{Urethra}}$

Which of the following is a mass of muscle tissue in the penis of humans?

$A$ pair of bulbourethral glands, also called $...A...$ glands, are present on either side of the $...B...$. They secrete $...C...$ fluid and $...D...$ for lubricating the penis. Here $A, B, C$, and $D$ are: