Sperm cells are very unique.
Apart from their shape, there are other special things about them. Things like these:
- While other cells in the body use glucose as their energy source, sperm cells prefer fructose.
- They are the smallest cells in the human body.
- They are produced in very large quantities.
How much sperm does a man produce in a day?
The average adult male produces about 290 million sperm cells a day.
For men older than 50 years, sperm production is about 130 million per day.
Those are amazing figures, right?
As a matter of fact, men produce about 1500 sperm cells every second and will produce more than 500 billion sperm cells in a lifetime.
But why do men need to produce this amount of sperm?
The answer may not be far-fetched. Looking at things closely, outside the body, sperm can only survive for a short amount of time.
When a man ejaculates, about 1.5-5 milliliters of semen is produced. Also, each ejaculate contains as many as 40 million sperm cells.
Out of these large numbers, only about 60% of these cells have a normal shape and movement. This might be why they need to be produced in very large amounts.
Unlike women who are born with all the eggs they will ever have, men produce sperm cells every day. In fact, men produce more sperm cells in one ejaculate than eggs a woman would ever have.
Another amazing thing? It takes about two and a half months for sperm cells to grow and mature in the testes, whereas they can only survive about few minutes to one hour when outside the body. When inside a woman’s body, sperm cells can survive for up to 5 days.
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