All of us are fundamentally animals and are driven by Nature to propagate the Species.
In short we are a Sperm Driven Machine, looking at from the Biological perspective.
Of course we are not simply this.
But what are the Facts?
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The sticky concoction called semen holds more than just sperm(those DNA-carrying swimmers that make a mad dash for the nearest egg). In fact, semen is a combination of sperm and fluids produced by accessory glands surrounding the penis. Its non-sperm ingredients include a mix of fructose, molecules made from fatty acids called prostaglandins, and proteins that nourish sperm and help them swim, according to the National Institutes of Health.
Additional fluids from the prostate and bulbourethral glands are slightly alkaline, or basic, reducing the acidity of any urine residue in the urethra, neutralizing the acidic environment of the vagina, and lubricating the tip of the penis for intercourse.
And turns out, what a man eats affects the quality of this semen, with a study published in 2012 in the journal Human Reproduction finding that guys who consumed more of the fat often found in fish (called omega-3s) had better-formed sperm than those who ate less of the fishy fat.
And while semen carries those critical egg fertilizers, some women are allergic to it, reacting to it with genital itching, burning and swelling. In severe cases, women may experience hives or swelling elsewhere on the body, and even difficulty breathing. A study described in 2011 at the annual meeting of the American College of Allergy, Asthma and Immunology in Philadelphia suggested a possible cure: frequent sex. –
http://www.livescience.com/22415-facts-male-body.html#sthash.qdTqmD6T.dpuf
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