Glossary

A lubricant made from something that has oil in it. The oil can eat holes in a latex condom when people use it during sex. Then germs that cause STDs, including HIV, can go through it and get inside peoples' bodies. Vaseline, mineral oil and lotions are some examples of oil-based lubricants.

When a person kisses, licks, or sucks another person's genitals to give them sexual pleasure. Putting a penis into a mouth is one way. Another way is to touch the penis, anus, clitoris or vulva with the mouth, lips or tongue.

People can get STDs this way. It doesn't matter if they are doing it to someone or if someone is doing it to them. Either person could get infected. This could happen if blood or sexual fluid got inside someone's mouth, or there is contact with a sore from a disease such as Herpes or Syphilis. Or, it could happen if infected blood from someone's mouth got inside another person's penis, anus, clitoris or vulva.

Dental dams and non-lubricated latex or polyurethane condoms can be effective in stopping someone from getting infected. Oral sex is said to be less risky than anal or vaginal intercourse. See also: cunnilingus and fellatio.

A part of a person's body. Each one has a special job to do so that a person can live and stay healthy. The penis, vagina, heart, skin, liver, and stomach are a few examples of organs.

A strong, intense, good feeling that happens in someone's genitals during sex.

When a male has an orgasm, he usually ejaculates. He can also have an orgasm without ejaculating. For a female, it's when sex feels the best. Muscles in the vaginal area around the uterus move in a special way, causing pleasurable feelings that can last for a few seconds or a minute or longer.

Someone can have an orgasm just by thinking about sex. Sometimes a person can have an orgasm while masturbating or when having oral, vaginal or anal sex with another person. Orgasms don't always happen every time someone has sex. Females can get pregnant even if they do not have an orgasm.

The parts of a female's reproductive organs that store the eggs. Girls are born with all of the eggs they will ever have. Around the time a girl begins to menstruate, one egg grows every month and leaves an ovary. The ovaries also make hormones that help her body get ready for pregnancy. Most females have two ovaries , each one about the size of a small almond. They are inside the body, one on each side of the uterus, at the ends of the fallopian tubes.

When an eggs leaves an ovary. This usually happens about 14 days before a woman is going to get her period.