The Human Sexual Response

The Human Sexual Response - The Human Sexual Response -...

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The Human Sexual Response - Male sexual response : o Erection : results from engorgement of erectile bodies in penis with blood During sexual excitement, a parasympathetic reflex releases nitric oxide, which dilates arterioles supplying erectile tissue drainage veins o Ejaculation : propulsion of semen from male duct system sympathetic spinal reflex sends impulses to nerves serving genital organs urethra bladder sphincter muscle constricts, preventing urine release of reflux of semen into bladder bulbospongiosus muscles of penis undergo series of contractions, propelling semen along urethra - Female Sexual Response o penis), while increased activity of vestibular glands lubricates vestibule Sexually Transmitted Diseases (STDs or Venereal Diseases (VDs)
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The Human Sexual Response - The Human Sexual Response -...

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