Yes there is.
In 2002 a group of French scientists published Magnetic Resonance Images (MRI) of a couple having sex in both the missionary and rear entry positions. This study also included previously published schematic diagrams of penile insertion in both of these positions.
The study with the diagrams is:
Magnetic Resonance Imaging (MRI) of Sexual Intercourse: Second Experience
in Missionary Position and Initial Experience in Posterior Position;
A. FAIX, et al.; Journal of Sex & Marital Therapy, 28(s):63--76, 2002
well if you have a vagina and no penis ... then your not a boy your a girl, but if you have a penis and a vagina then you a hermaphromdite,
It's sexual intercourse when you put a penis into a vagina.
This is known as sexual intercourse. After the penis is inserted into the vagina, typically the male proceeds to thrust his penis in and out of the vagina until orgasm is achieved.The vagina gets wet from the ejaculated fluids released from the penis.The female gets an orgasm when the penis enters the vagina.
It doesn't have to, but the majority of sex involves the penis inside the vagina.
Vagina
The penis is inserted into the opening at the front of the vagina.
Its ok. You can still have sex. You can force the penis inside the vagina coz th vagina is an elastical part of the body. adndin the uterus the baby can fit what are the penis, sure thing it will also.
The male organ of copulation is the penis.
It works just fine. The vagina can fit a baby so a penis is no problem.
A penis fits just fine. The vagina stretches to accomodate it. You can use your hand to put it in place.
the highland of your penis is going to be inserted in my vagina soon
when the penis enter the vagina and when the penis cums in there will be tsunami.