It's sexual intercourse when you put a penis into a vagina.
The semen is expelled from the penis, into the female vagina.
The penis is used for urination and sexual intercourse. During sexual intercourse the penis is thrust into the woman's vagina. The man then ejaculates semen, which contains sperm. Sperm can fertilize an egg to create a pregnancy.
If you've never had sexual intercourse. (Penis in Vagina)
This is necessary because it makes it easier for the penis to be inserted into a female vagina during sexual intercourse.
During sexual intercourse between a man and a woman, the man places his penis inside the woman's vagina. This is known as vaginal intercourse. Sexual intercourse could refer to any type of sexual activity in which one partner penetrates another. Other "types" of sexual intercourse include anal intercourse and oral intercourse.
they get hard because when the penis enters the vagina the muscles in the breasts tighten.
The male organ, the Penis is inserted into the vagina during sexual intercourse. The male penis is erect. The penis then *'cums' or 'explodes' into the vigina if there is no condom. If a condom is involved, the female will not get pregnant. The female organ, the Vagina is presented to the penis for sexual intercourse. See above for more detail. *A thick creamy white substance containing sperm
to get pregnant you have to have sexual intercourse, his penis has to enter your vagina for you to get pregnant.
The male organ of copulation is the penis. It is responsible for delivering sperm into the female reproductive system during sexual intercourse.
Sexual Intercourse is just another word for sex and is when a man inserts his penis in a girls vagina and repeats it.
You insert it into a vagina, which is called sexual intercourse, or just sex.Into the vagina and since you have to ask you are probably too young to do this.