How is the human male reproductive system adapted/ suited to its function.

-Penis; is made up of spongy tissue and blood vessels which fill with blood causing it to erect ; to facilitate copulation;
-The testes; are protected by scrotum and are made up of several and highly coiled seminiferous tubules; which provide a large surface area for sperm production;
-The testes have sertoli cells; that nourish the sperms; the testes are located to hang outside the; to provide a cooler environment for sperm production;
-The testes also have interstitial cells; which produce male hormones called androgens. The main androgen is testosterone.
-The Epididymis; is highly coiled; to provide a large surface area for storage of sperms;
-The Seminal vesicle; secretes an alkaline fluid; which contains nutrients for the sperms.
-The Prostate gland; secretes an alkaline fluid; to neutralize the vaginal fluids and activate the sperms;
-The Cowper’s gland; secretes an alkaline fluid; to neutralize the acidity along the urethra caused by pH variations of urine;
-The Sperm duct/ vas deferens; is tubular for passage of sperms;
-The Urethra; is tubular; to expel urine and semen;