Health Grades 7-9

Check out this slide show to get an explanation of the various parts of the female reproductive system.

There are a lot of contraceptives available to people. But is one better than the other? How does each one work?

Our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Hormones drive all of these changes.

This video gives a description of women's monthly menstrual cycles or periods. The video includes information about the biological and hormonal changes during the cycle.

At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types of HPV, and most of the time the body eliminates infections without symptoms— but some strains can pose serious health risks down the line. How can you protect yourself from HPV?

Explore the common causes and treatments of yeast infections, which affect 3 out of every 4 people with a vagina.

What are the evolutionary explanations for the human menstrual cycle? This video adds a unique understanding to human menstruation, pregnancy and women's health.

This 2-minute video explains how traits pass from parents to offspring. Learn how each offspring is a mix of inherited traits.