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Published on 19 May 2015 | about 1 year ago

Let's listen to people in the UK as they set about losing their virginity. Please tell us how your experience was by commenting below. You may skill to start click 0:20

An inside story of how sex works the first time. Want to see anatomical illustration right away, jump to: 9:12

Human reproduction takes place as internal fertilization by sexual intercourse. During this process, the male inserts his penis, which needs to be erect, into the female's vagina, and then either partner initiates rhythmic pelvic thrusts until the male ejaculates semen, which contains sperm, into the vaginal canal. This process is also known as "coitus", "mating", "having sex", or, euphemistically, "making love". The sperm and the ovum are known as gametes (each containing half the genetic information of the parent, created through meiosis). The sperm (being one of approximately 250 million sperm in a typical male ejaculation, travels through the vagina and cervix into the uterus or Fallopian tubes where it fertilizes the ovum, creating a zygote. Upon fertilization and implantation, gestation of the fetus then occurs within the female's uterus.

Read more: en.wikipedia.org/wiki/Human_reproduction

How Sex Works Inside Human Body - Sex Education Films

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