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5 Cool Facts You Never Knew About the Human Body



Cool facts

I’m constantly amazed by the human body and all of its remarkable functions. There are some pretty cool facts that many people don’t know about the human body. So, let’s take a look at 5 cool facts you never knew about the human body!

Fact 1: Your nose can remember over 50,000 different scents.

Believe it or not, your nose is capable of recognizing over 50,000 different scents! That’s more than you could ever possibly imagine. In fact, researchers have found that humans are capable of distinguishing between more smells than we previously thought. Source: (1)

Fact 2: You are taller in the morning than in the evening.

It’s true! Due to the compression of the spinal discs during the day, you are actually taller when you wake up in the morning than you are at the end of the day. This can cause you to be up to 1 cm taller in the morning! Source: (2)


Fact 3: Your stomach acid can dissolve razor blades.

Your stomach is home to some pretty powerful acids, which are necessary for breaking down the food you eat. But did you know that your stomach acid is so strong that it can dissolve razor blades? Of course, we don’t recommend testing this out yourself! Source: (3)

Fact 4: You shed about 600,000 particles of skin every hour.

Every hour, your body sheds about 600,000 particles of skin. That’s a lot of skin! But don’t worry, your body is constantly regenerating new skin cells to replace the old ones. Source: (4)

Fact 5: You have more bacterial cells in your body than human cells.

It might sound a little gross, but it’s true – you have more bacterial cells in your body than human cells! In fact, researchers estimate that bacterial cells outnumber human cells by a ratio of about 3 to 1. But don’t worry, most of these bacteria are harmless and some are even beneficial for your health. Source: (5)

The human body is truly remarkable and full of surprises. These cool facts are just the tip of the iceberg when it comes to all the amazing things our bodies can do!



  1. “Humans can distinguish more than 1 trillion scents, according to new research.” Science Daily, 20 Mar. 2014.
  2. “Why You Are Taller in the Morning Than in the Evening.” The Conversation, 6 Mar. 2018.
  3. “Can Stomach Acid Dissolve Metal?” ThoughtCo, 21 Sep. 2018.
  4. “The Human Body is Shedding Skin Cells Faster Than You Think.” Science Alert, 15 Mar. 2018.
  5. “Your Body is a Planet, and the Microbes Living on It Outnumber Your Human Cells 3 to 1.” Business Insider, 1 Jan. 2019.


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Lifestyle blogger Johnny Savage resides in New York City, NY. He writes on the connections between life, politics, personal development, travel, cannabis and more.

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