Read more about 15 Interesting and Exciting Facts about Sperm.
In addition to not be able to swim straight, sperm also has a “hat”, need to be protected so as not expelled by the body’s immune system, and can survive about two days in the female body. Those are some sperm facts you may not know about. For men, knowledge about sperm is important. It is important to know the sperm health and also the ability of men to reproduce.
Check out other interesting facts about sperm expressed by Dr. Craig Niederberger, professor of urology at the University of Illinois, Chicago, USA, quoted by CBSNews.
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Interesting and Exciting Facts about Sperm:
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1. Abnormal sperm? That’s normal
About 90 percent of sperm released by men are imperfect. Two heads, two heads, big heads, flattened heads, a circular tail, and more.
2. “Only” half a teaspoon
That’s the average amount of semen released every time men ejaculate. It’s not much, but enough to do its job.
3. Sperm wearing a hat
Yes, the sperm wearing a hat. Not a hat in the true sense but an oval-shaped end called acrosome. It contains chemical compounds that are released when the sperm reaches the egg. The chemical compounds then melt on the surface of the egg, forming a hole so that the sperm can enter the egg and release its genetic load.
4. Sperm vs Cement
Some people take turns using the words “sperm” and “cement”. But sperm cells are just one component. While semen or semen contains other substances from the prostate and a pair of seminal bubbles.
Sperm cells – produced in the testes – require a lot of fuel to move their tails. The fuel they get from sugar fructose, supplied by the seminal bubble.
5. Just one testicle
When a man loses one testicle, the other testes are enough to produce sperm and produce a baby. Even the remaining testes are sometimes slightly enlarged to produce sperm.
Lance Armstrong is a famous person who lost a testicle from cancer. But he managed to have five children, his three children got from a sperm bank, and the other two children were produced from natural conception.
6. 200 million competitors
It takes only one sperm cell to fertilize a woman’s egg. But behind the success of one sperm cell there is a very tight competition. Even the average male ejaculatory fluid contains 200 million sperm!
7. The sperm factory never closes
Men produce sperm every time, every day, throughout their lives. As men get older, their sperm may become a little slow and their DNA is slightly fragmented. But essentially male sperm factory never closed.
8. Sperm is very small
Want to see sperm cells? You should use a microscope because so little sperm cells can not be seen with the naked eye. Each sperm is about 0.002 inches from head to tail or about 50 micrometers.
9. Sperm needs protection
When the sperm is ready to leave the testicle, there is half the amount of DNA contained in it like any other cell in the body. That’s why sperm cells look suspicious to the body’s immune system.
To prevent immune cells from spitting out sperm, the testes produce special cells to cover them with a kind of “protective fence”.
10. “Dead” sperm can produce a living baby
In order to be able to fertilize the eggs in a natural way, sperm must be able to swim well. But not so with IVF (in vitro fertilization). Even when the technician uses a small glass-shaped robot to insert a sperm into the egg, they sometimes “soothe” the sperm with the glass straw until it stops moving. All it takes is DNA in the sperm.
11. Which way, huh?
Sperm is a fast swimmer, but not a few sperm who have difficulty swimming straight. In fact, only half of the overall number of sperm that can swim straight. The rest swim with the direction of twisting or joining with the flow of semen.
Even so, many sperm are able to reach the egg. Whereas in the tube that connects the uterus with the ovary there are many cells resembling the hair that inhibits sperm movement.
12. Sperm can survive for days
How long can a sperm cell survive in a woman’s body? The answer is about two days.
13. The sperm that contains the Y chromosome is very independent
When the sperm meets the egg cell, the chromosomes exchange DNA. This means that each of them contains the DNA of the father and mother. But there are exceptions, the Y chromosome is not related to the DNA of the egg so it can be directly passed from father to child.
In fact, many male Y chromosomes look similar to their father and grandfather.
14. Testis always cold
Male sexual desire can be so burning and passionate, but the temperature of the male testes will always be cold, about 7 degrees Fahrenheit cooler than body temperature.
This is the right temperature to produce healthy sperm.
The way a man’s body keeps his testicular temperature is with a radiator-like blood vessel that secretes heat and muscle in the scrotum that raises and lowers the temperature of the testicles, approaching or away from body heat.
15. Two months to produce sperm
How long to produce sperm? According to a recent study, it takes about two months for it.
“Sperm is always produced all the time, it just takes time to make it ripe,” says Dr. Niderberger.
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