The amount of semen a normal person ejaculates through sexual intercourse or masturbation is 3-5 ml. Sperm is grayish white, weakly alkaline, and has a peculiar fishy smell, which is mainly the smell of prostatic fluid. Seminal plasma contains more than 95% seminal plasma and 1% sperm. In a day, every cubic centimeter of testicular tissue can produce two million sperms, which means that each man can produce tens to hundreds of millions of sperms every day. Even if sperm are not expelled from the body, they will age, die and eventually be digested by enzymes. Seminal fluid The main components are secretions from the supporting cells of the seminiferous tubules, epididymis, prostate, seminal vesicles, bulbourethral glands and paraurethral glands. The secretion of the seminal vesicle and prostate accounts for 65% and 30% of the seminal vesicle respectively. Seminal plasma mainly provides a matrix for sperm and nourishes sperm, and stimulates sperm motility. Seminal plasma is mainly composed of seminal plasma and seminal plasma. The main component of seminal plasma is water, accounting for about 90%. Other components include fat, protein particles, pigment particles, phospholipid bodies, amines (including choline, spermine, spermine), free amino acids (the content varies greatly, the total amount of amino acids in normal semen within 4-6 hours after ejaculation is 1.25 grams/100 ml), inorganic salts (calcium 25 mg/d) l, magnesium 14 mg/dl, potassium 89 mg/dl, zinc 14 mg/dl), enzymes (mainly acid phosphatase, lactate dehydrogenase, hyaluronidase), sugars (mainly fructose 224 mg/g/ 100 ml) They are all slightly different from plasma in composition, except for their sources, forms of existence and functions. Element The composition of sperm is basically the same as that of plasma. Then, let's compare food and semen. A bowl of milk (250 mL) contains 8 grams of protein, 10 grams of fat, and 13 grams of sugar. A bowl of soy milk (250 mL) contains 11 grams of protein, 5 grams of fat, and 29 grams of sugar. Compared with nutrition for human body, the value of milk and soy milk is far higher than that of semen. In terms of function, they are not nutrients but necessary for reproduction of offspring. For a long time, due to the lack of sex education, some fallacies have been widely circulated among the public, such as: "One drop of semen is equal to ten drops of blood. Losing semen will greatly damage your vitality." It is believed that sperm is the essence of a man, so that some people believe the fallacy and think it is the truth. In fact, semen is not a tonic containing high nutrients, nor is it a panacea for curing tuberculosis in women. The amount of semen intake generally does not have an impact on the body, but the psychological impact cannot be ignored. |
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