The source of life of sperm under the light microscope

Sperm under light microscope Under normal conditions Human mature sperm are shaped like a tadpole and are about 60 microns long. They consist of a head containing parental genetic material and a tail with motor function. They are divided into four parts: neck dildo machine , middle and tail. Sperms are divided into animal sperm and plant sperm. Male cells during sexual reproduction in animals butt , germ cells of male animals, male gametes in heterogamy rose toy controller vibrator , and haploid germ cells produced by sperm organs. In life, sperm refers more to the mature male reproductive cells, which are formed in the testis. Those interesting data about sperm: 1. Sperm is produced in the testicles and it takes about 10 weeks for sperm to mature. 2. Mature sperm are stored in the epididymis. 3. Sperm is the smallest cell in the body and requires balanced replenishment of abilities. 4. A large number of healthy sperm can be produced at a temperature of 3-5 ° C lower than body temperature. 5. An adult male can produce 70 million to 150 million sperm per day. 6. There are approximately 3 million sperm on the tip of the erect penis. 7. During ejaculation, sperm can move at a speed of up to 28 miles per hour. 8. Sperm in the epididymis are transported through the vas deferens, which contains a fluid rich in fructose. Fructose is equivalent to rocket fuel and helps the transportation of sperm. 9. It swims 12 inches per hour. 10. Most of the semen is alkaline, which helps the sperm's journey. Hot article on the Gender Channel of the Week recommends experts to teach you male genital massage and health care (Illustration) AV actress sex skills that drive men crazy and make women more and more addicted sex skills that make them more addicted. Sex afterplay 4 tricks that allow her to have a second climax. Physiological anatomy: Different shapes of hymen Private parts Health: How much is it for a woman to shave her pubic hair? Russia has many women and few men. How to solve sexual hunger and thirst? Dictation: Being a male nanny but becoming her sexual partner when she is hungry and hungry, the hidden crisis in modern monogamy explains the decadent sex life of Japanese female prisoners
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