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Human reproduction naturally takes place as internal fertilization by sexual intercourse. During this process, the man inserts his erect penis into the woman's vagina and then either partner initiates rhythmic pelvic thrusts until the man achieves orgasm , which leads to ejaculation of semen containing sperm into the vaginal canal.
The Miracle of Life is a documentary film about the human reproductive process. The film won multiple awards including a Peabody and an Emmy when it was broadcast as part of the American TV series Nova. [1]
Original file (WebM audio/video file, VP8/Vorbis, length 1 min 33 s, 605 × 1,080 pixels, 2.16 Mbps overall, file size: 23.83 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The desire for sensual pleasure is usually the main motivation for humans, and sometimes the wish to have a baby or more children. [2] [3] The biological function of vaginal intercourse is human reproduction. During coitus without a condom, sperm enter the vagina, first with the pre-ejaculate and then a larger amount through male ejaculation. [4]
Human sexuality portal; Articles relating to sexual intercourse (coitus, copulation), the insertion and thrusting of the male penis inside the female vagina for sexual pleasure, reproduction, or both. Sexual penetration has been known by humans since the dawn of time, and has been an instinctive form of sexual behaviour and psychology among
Humans have a high level of sexual differentiation. In addition to differences in nearly every reproductive organ, there are numerous differences in typical secondary sex characteristics . Human reproduction usually involves internal fertilization by sexual intercourse .
Sexual reproduction is the most common life cycle in multicellular eukaryotes, such as animals, fungi and plants. [6] [7] Sexual reproduction also occurs in some unicellular eukaryotes. [2] [8] Sexual reproduction does not occur in prokaryotes, unicellular organisms without cell nuclei, such as bacteria and archaea.
Human reproduction in the United States (6 C, 15 P) A. Abortion (11 C, 26 P) Andrology (14 C, 53 P) Anterior pituitary hormones (9 P) B. Birth control (9 C, 40 P) C.