6 Amazing Facts About The Human Body You Didn't Know

6 amazing facts about the human body that you didn't know. Did you know that it’s possible for a human being to live without a stomach? There are many procedures and transplants that remove certain organs from our body and still allow us to live.Show more

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Summary:
6. Epidermis: The skin is the largest organ, and protects a person's body from infection, heat, cold, and injury. It also stores water, vitamins and fat. A person's skin is made up of 3 layers: the epidermis, dermis, and hypodermis. Our epidermis is the upper or outer layer of the two main cells that make up the skin. Did you know that it regenerates every 2-4 weeks?

In a full year, we lose about 0.7 kg of dead skin. In fact, most of the dust in your home is very likely to be dead skin. This is because our skin loses roughly 30,000 to 40,000 dead skin cells every minute. This is why dermatologists recommend exfoliating a few times a week.

5. Your Stomach: The stomach is the most powerful organ in the body, so it’s no surprise that it has the ability to dissolve even the strongest of materials. Believe it or not, the acid in our stomachs is so strong that it has the ability to dissolve metal! Our stomachs have a concentration of hydrochloric acid of 0.5 percent, or 5,000 parts per million. That’s what makes it strong enough to dissolve metal.

And did you know that it’s possible for a human being to live without a stomach? There are many procedures and transplants that remove certain organs from our body and still allow us to live. So it’s no surprise that you could live without a stomach, 75% of your liver, one kidney, a spleen, 80% of our intestines, and any other organ in the groin area. Here’s another fun fact - and it’s about the small intestine. Don’t let the name fool you, our small intestine is actually quite large. In fact, it is as long as four people’s height.

4. The Eyes: People who have albinism often have violet or red eyes. Because these people lack pigment in their iris, light can bounce off the back of their eye and then exit, resulting in very rare eye colors.

And did you know that as we get older, our eyes have the ability to change color? This happens to 10 to 15 percent of the Caucasian population. However, if you’re an adult and your eye color changes dramatically, or if one eye changes color, you need to see a doctor. This can be a warning sign of certain diseases. Another thing you may be surprised to find out is the fact that the only part of the body that has zero blood supply is the cornea. The cornea is the transparent part of a human's eye. It covers the pupil, iris, and anterior chamber. The oxygen it receives comes from the air, not blood from the body.

3. Heat: Our bodies need to maintain a hot temperature in order for the blood to flow through our body properly. In fact, our bodies produce enough body heat in 30 minutes to boil half a gallon of water. And speaking of heat, you might be surprised to find out how much the human body sweats! If you’re a healthy individual then you should not be disgusted when you sweat, but be relieved. The average healthy person can produce 4 gallons of sweat per day.

2. Your body is stronger than you think: As humans, we complain when we’re hungry and we complain when we are tired. But if you had to choose to either sleep to live, or eat to live, which one would you choose? Well, we can live for three weeks without food, but after 11 days of no sleep, our body will begin to shut down. Our bodies are a lot stronger than we give them credit for!

Consider our bones, for example. Our bones keep us upright, they keep us moving and provide stability. If they weren’t strong, life would be a mess. Did you know that the bones on the average person can withstand 16,000 people standing on them?

Speaking of strength, let’s talk about human hair. Our hair is extremely strong. Pulling it out hurts, and for some people, it takes almost a lifetime for it to fall out. But did you know that the human hair has the ability to hold the weight of two elephants?

1. The Human Brain: If you’ve lived for 100 years, you can bet that there is a lot of information that has been stored up there in your brain. The human brain storage capacity works out to roughly 2.5 petabytes. That is enough storage to keep over 4,000 years of mp3 files running.