Answer: b. prostate gland
Explanation:
The prostate gland is the one of the walnut shaped gland which forms the part of the male reproductive structure. It forms the initial segment of the urethra which is the opening of the penis responsible for the discharge of the sperms and the urine. The epithelium gland of the prostate produces fluid that contains citric acid and enzymes which are proteolytic that prevents the coagulation of the sperms inside the vagina.
