Ejaculation is a spinal reflex controlled by nerve fibers that run from the penis to the brain. When these fibers are stimulated by touching, stroking, or sucking, they send signals to the brain,...
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: Ejaculation: a complex phenomenon controlled by nerves and autonomic system
The male body produces around 1,500 sperm per second — about 130 million a day. This means that a man can produce enough sperm to fertilize an egg every day for about five years without repeating any...
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: Sexuality, eroticism, intimacy, relationships: exploring the fascinating process behind male sperm production
