The brain is female because all woman are stupid and cannot drive! Why even ask a question about woman when you know the should stay at home and make you a sandwich in the kitchen!
No; sperm/semen is a necessary component for pregnancy to occur.
Never. Impossible. It is scientifically proved. Girls has not the sperm. So they cant.
Females can give each other oral, finger each other, or use dildos to stimulate each other.