Amazing facts about re productive system

1.About 120 billion sexual inter courses take place daily..
2.A foreskin (prepuce) from circumcised babies takes only 3 weeks to grow skin that can cover 3 basket balls courts.
3.there are approximately calories in a teaspoon of semen.
4.Fallopian tubes are no wider than the head of a pin.
5.The first Known contraceptive was crocodile drug ,used by Egyptians in 2000.
6.the largest cell in the human body is the female egg and the smallest is the male sperm.
7.Each day a healthy male produces about 300,000,000 sperm which are the Reproductive cells in the males.
8.the Female human body Capable of giving Birth to 35 Children in one lifetime.
9.the ovaries of a newborn girl contains about 600,000 immature eggs.
10.During pregnancy ,Uterus will expand up to 500 times ,its normal size.