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The Reproductive System: Video Quiz

Related Article: Learn more about sex and reproduction.

Test your knowledge of the human reproductive system in this video quiz.

browse videos in sex & reproduction

Why Tell Me Why: Belly Button Beginnings (1:19)

Ever wonder why your belly has a button? This video examines where belly buttons come from and why they're all so different.

Organ Systems: The Reproductive System (0:56)

The male reproductive system is centered around the testes. The female reproductive system is centered around the ovaries.

Human Mutants: Fetal Skeletons (1:49)

On Discovery Channel's "Human Mutants: The Mystery of Growth," learn how the skeleton begins to grow in an embryo and how it continues to develop.

Birth Day: Natural Childbirth (7:58)

In this Birth Day clip, a condition of preeclampsia causes the doctor and patient to change their original plan on a completely natural childbirth.

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Basics of Biology: How Organ Systems Form (1:25)

All of the organ systems in a human develop from a single fertilized egg that differentiates itself based on the instructions in its DNA.

Reality Matters: Teen Sexuality (30:00)

Hormones, peers, the media and other factors all contribute to the pressure many teens feel to have sex. This series examines the realities of that pressure, the risks teens face today -- including STDs and AIDS -- and ways they can protect... More »

Reality Matters: Teen Sexuality and Teen Parenthood (3:57)

Teenage parents take on a lot of responsibility at a very young age, and in this segment they tell others not to take the chances they did.

Reality Matters: Teen Sexuality and The Waiting Game (3:18)

More and more teenagers are making the decision to wait to have sex until they are more mature. Learn more about the benefits of abstinence in this clip.

Reality Matters: Teen Sexuality, HIV and AIDS (6:44)

HIV/AIDS is not well understood by teenagers, and many think they can't be infected by the virus. This video explores the differing lives of two teenage AIDS victims.

Reality Matters: Teen Sexuality and STDs (5:58)

Sexually transmitted diseases can be passed along in a variety of ways. While some STDs are treatable, others are incurable, and can affect victims for the rest of their lives.

Reality Matters: Teen Sexuality and Statistics (3:22)

The percentage of teens who are sexually active today is much lower than most teenagers think. Take a look at this clip to learn more about the facts behind teen sexuality.

Fertilization and Sexual Reproduction: Part 6 (5:33)

Four phases of mitosis lead to cell duplication and division. Check out this clip to learn more about the process of mitosis.

Fertilization and Sexual Reproduction: Part 5 (1:25)

This clip examines how the nuclei of the sperm and egg combine to form the zygote.

Fertilization and Sexual Reproduction: Part 4 (2:06)

Watch as the sperm enters the egg in this video.