15 Fascinating Facts We Bet You Didn’t Know!

1.If you digested away connective tissue/extracellular matrix from your body, the resultant cell numbers would equate to between 1-2 pints in volume! This is around 37.2 trillion cells.

2. You produce enough saliva to fill two bathtubs every year.

3. The acid in your stomach is strong enough to dissolve razorblades.

4. A person will die from a lack of sleep sooner than they would from starvation, which usually takes a few weeks.

5. Sneezes regularly exceed 100mph, while coughs can get up to 60mph.

6. Your hearing decreases when you overeat.

7. Your body gives off enough heat in 30 minutes to bring half a gallon of water to the boil.

8. If you unraveled all the DNA in your body, it would stretch out to 6 billion miles, which is the equivalent of travelling from the Earth to the sun 65 times.

9. Have you ever had a flashback after smelling something very familiar? Smell is the strongest and quickest memory inducer, and nothing is more memorable than a smell. This is because the olfactory bulb and cortex (involved in hearing) are spatially very close to the hippocampus and amygdala, which play important roles in memory retention.

10. Earwax is a type of sweat!

11. Your body contains enough iron to produce a nail 3 inches in length.

12. Everyone has a completely unique tongue print, just like fingerprints.

13. Measured out long, the blood vessels from one human body could circle the earth and measure over 60,000 miles.

14. Your fingernails grow faster than your toenails.

15. Your skin has 1000 different species of bacteria living on it at any given time. This is why the outer layer of our skin is continually renewing itself. Every 28 days, no cell will be the same on the outer layer of your skin.


Mia Georgiou



Southtree. 2020. Memories: Which Sense Is The Strongest?. [online] Available at: <https://southtree.com/blogs/artifact/memories-which-sense-is-the strongest#:~:text=Because%20the%20olfactory%20bulb%20and,strongest%20and%20quickest%20memory%20inducer.> [Accessed 1 September 2020].

Nationalgeographic.com. 2020. How Many Cells Are In Your Body?. [online] Available at: <https://www.nationalgeographic.com/science/phenomena/2013/10/23/how-many-cells-are-in-your-body/> [Accessed 1 September 2020].

Purple.com. 2020. [online] Available at: <https://purple.com/blog/30-weirdly-fascinating-health-body-facts> [Accessed 1 September 2020].

The Irish News. 2020. 14 Strange Facts About Your DNA. [online] Available at: <https://www.irishnews.com/magazine/science/2018/04/25/news/14-strange-facts-about-your-dna-1313755/> [Accessed 1 September 2020].

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