Oral sex or oral-genital sex means both mouth contact with the vagina, which is called cunnilingus, and mouth contact with the penis, which is called fellatio. Cunnilingus comes from a Latin word for vulva (a woman's exterior sex organs), cunnus, and from the Latin word for licking, lingere. Fellatio comes from the Latin word fellare, meaning to suck. There are many different kinds of oral sex techniques, and you've probably even picked up a set of oral sex tips or your own oral sex techniques along the way. Some of the more common oral sex tips involve both partners performing oral sex techniques at the same time.
Either form of oral sex can be done with one partner stimulating the other individually, or both partners can stimulate each other's genitals simultaneously. Oral sex given simultaneously is commonly called 69, or, the French translation, soixante-neuf. This is because the body position of a couple having mutual oral sex resembles the numeral 69.
----from discovery health: oral sex; sexual health---
Anal sex is when the man inserts his penis into the woman’s anus when they have sexual intercourse. Since the anus does not lubricate when the woman is sexually aroused, it is necessary to use a lubricant to help with penetration.
You also need to take the whole process slowly, as it is generally more difficult to insert the penis into the anus than into the vagina. Damage can be done to the anus unless care is taken. For this reason, it is more likely that bleeding will occur during anal intercourse than vaginal intercourse.
To prevent the transmission of sexually transmitted infections, particularly HIV, it is important that you use condoms during anal intercourse.
If you have vaginal sex after anal sex, you should change the condom and wash your genitals so you don’t transfer any bacteria from the bowel to the woman’s vagina. This can cause infections.
----- from better health channel-----
