The secretion of the . . . . . . helps in the lubrication of the penis.

Given below are two statements with respect to the prostate gland in males.
$Statement-I$: These are large paired glands, located underneath the urinary bladder.
$Statement-II$: Milky white, slightly acidic prostatic fluid is secreted into the urethra.
Choose the most appropriate answer from the options given below.

Which of the following depicts the correct pathway of transport of sperms?

Which of the following contains the highest concentration of fructose,calcium,and certain enzymes?

The narrow middle part of the epididymis is called:

The ejaculatory duct is formed by the union of which of the following?