Health | Sexual Health | Male Reproductive System

The Male Reproductive System Channel answers your questions about parts of the male anatomy and how they function. Learn how the different parts of the male reproductive system work in this section.

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Penis

What is the definition of penis? Learn about the anatomy and physiology of the penis as part of the male reproductive system.


Do men hit their sexual peak in their 20s?

Do men hit their sexual peak in their 20s?

Do men need to take advantage of their sexuality early on? Learn if men really hit their sexual peak in their 20s at HowStuffWorks. See more »

Do new fathers have lower testosterone than single men?

Do new fathers have lower testosterone than single men?

Do new fathers have lower testosterone than single men? Find out whether childrearing affects men's testosterone levels. See more »

10 Things Women Should Know about Male Hormones

10 Things Women Should Know about Male Hormones

What should women know about male hormones? This list from Discovery Health has what women should know about male hormones. See more »

10 Causes of Testicular Pain You Shouldn't Ignore

10 Causes of Testicular Pain You Shouldn't Ignore

Testicular pain -- most men would rather ignore it than go to the doctor. See 10 causes of testicular pain you shouldn't ignore. See more »

Testosterone and Estrogen Balance in Men

Testosterone and Estrogen Balance in Men

Testosterone and estrogen balance in men can help reduce the development of health issues. Learn about testosterone and estrogen balance in men. See more »

Fact or Fiction: Circumcision

Fact or Fiction: Circumcision

It can be tricky to separate the facts and fictions of circumcision. See if you can tell fact from fiction with this circumcision quiz. See more »

Circumcision

Circumcision

What is the definition of circumcision? Learn about the origins, risks and benefits of circumcision. See more »

Ejaculation

Ejaculation

What is the definition of ejaculation? Learn about what's happening during ejaculation and its purpose in reproduction. See more »

Erection

Erection

What is the definition of an erection? Learn what's happening during an erection and how dysfunction occurs. See more »

Penis

Penis

What is the definition of penis? Learn about the anatomy and physiology of the penis as part of the male reproductive system. See more »