Human Body
| The biggest muscle:
You're sitting on the biggest muscle in your body - the gluteus maximus, a.k.a the butt.
| |
| Human Body
| Human eye:
A human eye can recognize about 10 million different colors. Interestingly enough, a machine that can recognize so many colors hasn't been built yet.
| |
|
Human Body
| Red blood cells:
The red blood cells are the only cells in the human body that do not have a core.
| |
| Human Body
| The biggest cell:
The biggest cell in the human body is the egg cell. It can be seen even without a microscope.
| |
|
Human Body
| The longest cells:
The longest cells in the human body are the neuron cells which can reach 1.2 meters (4 feet).
| |
| Human Body
| Short-term memory:
The short-term memory can keep up to 7 random facts.
| |
|
Human Body
| The Ostrich Footed:
There's a tribe living in the west of Zimbabwe called the "ostrich people". Their name comes from the fact that they have only two toes on their feet. Don't believe me? Take a look at this guy:
| |
| Human Body
| The sneeze center:
The sneezing center is located in the brainstem in a region called the lateral medulla. The information that reaches that part of the brain comes through several nerves including the so-called trigeminal nerve, which carries a wide variety of signals. Some people sneeze while looking at the sun because the irritation of the eyes is misinterpreted as sneeze signal. Sneezes can also be triggered in men by an orgasm.
| |
|
Human Body
| Why is yawning for?:
Despite the popular belief, yawning is actually meant to wake up your body and make it more alert. Animals also yawn and they are observed to do so in intense and threatening situations.
| |
| Human Body
| Brain power consumption:
Your brain consumes less energy than your refrigerator's light - only 12 watts. That is about 1/6 (17 %) of the body's total energy.
| |
|
