Yes, in a way. Its the nipples that become hard.
they get hard because when the penis enters the vagina the muscles in the breasts tighten.
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 had sexual intercourse with doggies
You have sexual intercourse when she ovulates.
Yes!
No, it is not permissible in Islam to engage in sexual intercourse during a woman's menstrual period.
You clean it
Not really "in", rather between them, or touching them. If that's what you mean, yes, sometimes they do.
No, according to Islamic teachings, engaging in sexual intercourse during daylight hours in Ramadan is not permissible.
This is necessary because it makes it easier for the penis to be inserted into a female vagina during sexual intercourse.
yes