The Strongest Muscle In The Body

Pound for pound, the strongest muscle in the human body is the masseter (jaw muscle). It can clamp your chompers shut with 55 pounds of force on the incisors and 200 pounds of force on the molars.

Stinky Humans

Sweat itself is odorless. It’s the bacteria on the skin that mingles with it and produces body odor. Bacteria that are naturally present on our skin thrive in sweaty regions.

Growing Strong

Your ears and nose will never stop growing until the day you die.

In fact, your earlobes will also elongate from gravity.

Don’t Lick The Gun

Similar to fingerprints, everyone also has a unique tongue print. It may be some time before your local police station starts taking tongue prints, but research on the required 3-D imaging technology is already being developed and tested.

Remember: if you’re ever going to get involved in a million-dollar art heist, or some kind of grisly murder, absolutely do not lick the crime scene.

Steel Bones

Ounce for ounce, human bones are stronger than steel. A cubic inch of bone can bear a load of 19, 000 lbs.—roughly the weight of five pickup trucks.

Reminder: this is not a dare. Do not (for example) ask your friends to drive 5 loaded pickup trucks over your forearm. It wont end well.

Booze and Blue

People with blue eyes have a higher alcohol tolerance. Interestingly, they also have higher rates of alcohol abuse and dependency.

Humans 1, Robots 0

If the human eye was a digital camera it would have 576 megapixels. Currently, the most expensive digital camera in the world has 200 megapixels.

Take that technology! The robot uprising might be inevitable but it’s going to be so blurry.

Bacteria: Man’s Best Friend

All of the bacteria in our body collectively weighs about 4 pounds. That’s enough to fill a gigantic bowl of (truly disgusting) soup.

In fact, there are more bacteria in your mouth than there are people in the world.

Music And The Body

In some cardiovascular units, slow and quiet music is used to relax the patients and lower their blood pressure and heart rate.

This new frontier in medical science actually harkens back to some of our most ancient ancestors. The Ancient Greeks, for example, liked to use music as a method of calming a patient and soothing pain. Native Africans and Native Americans also used chanting and singing as part of their healing rituals.

Once again, science is proving the logic behind some seemingly superstituous human behavior. Fasctinating stuff.

Brain Power

Your brain accounts for only 2% of your body weight, yet it uses 20% of the total oxygen and blood in your body.

It’s fascinating. That little grey blob weighs just about 4 pounds, and yet is quite possibly responsible for essentially all of our success as a species.

This also shows that, at least when it comes to brain power, bigger is not always better. Cows, whales, and elephants (in addition to many other creatures) all have much bigger brains than we do. And yet we eat steak like it’s no big deal. Guess we’re winning, right?

Deoxyribonucleic Acid (DNA)

If uncoiled, the DNA in all of your body’s cells would stretch 10 billion miles.

That’s long enough to reach from here to Pluto… and back!

The Ultimate Betrayal

Within three days of death, the enzymes that once digested your dinner begin to eat you. Ruptured cells will become food for the bacteria in your gut, which will release enough noxious gas to bloat your body and force your eyes to bulge outward.

Whatever happened to loyalty?

Super Storage

In a lifetime, your brain’s long-term memory can hold up to 1 quadrillion (1 million billion) bits of information.

And for such a powerful computer, it’s also incredibly efficient. The entire apparatus of your brain is operated by roughly the same amount of power as a 10-Watt lightbulb.

The Hot Dog’s Journey

The gastrointestinal tract is a 30-foot tube that runs from your mouth to your anus.

There’s a few moving parts, but a long story short is that food comes in and poop goes out. There you go, now you’re an expert on human digestion.

Where’s the Hair?

It might not seem like it when you look around, but human beings actually have just as many hair follicles as a chimpanzee.

Here’s the catch: our hairs are, for the most part, incredibly fine and light-colored. No one is quite sure why we lost our impressive fur coats, though. Some think it was an adaption to help us sweat more effeciently. Others say it was a method for avoiding fleas and ticks.

Whatever the reason, it’s a fun thought.

Can’t Stop the Beat

Your heart has its own electrival impulse. This means that as long as it has an oxygen supply, your heart can keep beating even if it’s separated from the body.

Your heart will also pump about 1.5 million barrels of blood during your lifetime. That’s enough to fill 200 train tank cars.

Brain Age

Your brain keeps developing until your late 40s.

Sweet Cilia

Our lungs and nasal passages have exquisitely tiny hairs called cilia that can “taste” bitter flavors. They also serve to remove dust and foreign particles from the respiratory tract.

You Feel Me?

Human fingers can feel objects as small as 13 nanometers. This means that if your finger was the size of the Earth, you would feel the difference between houses and cars.

Hot Body

The highest recorded body temperature in a human being was a fever of 115.7°F. A fever over 107.5°F is enough to damage the brain and, if untreated, cause death.

Touch Your Heart

The human heart is not on the left-hand side of the body. It’s in middle of your chest, in between your right and left lung. It is, however, tilted very slightly to the left.

Brain Genes

Half of your genes describe the complex design of your brain, with the other half describing the organization of the other 98% of your body.

Human Cell Replacement

Your taste buds are replaced every 10 days. Conversely, the average age of a human fat cell is 10 years.

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