Medicine and Health Trivia
The sense of touch: electrical impulses travel from the skin toward the spinal cord at a rate of up to 425 feet per second.
You blink every 2-10 seconds. As you focus on each word in this sentence, your eyes swing back and forth 100 times a second, and every second; the retina performs 10 billion computer-like calculations.
Each red blood cell lives an average of 4 months and travels between the lungs and other tissues 75,000 times before returning to the bone marrow to die.
The average square inch of skin holds 650 sweat glands, 20 blood vessels, 60,000 melanocytes, and during the summer months, six or seven mosquito bites.
The lens of the human eye continues to go throughout a person's life.
If you squeezed out all of the bacteria from your intestines, you could almost fill up a coffee mug.
Several well documented instances have been reported of extremely obese people flushing aircraft toilets whilst still sitting on them. The vacuum action of these toilets sucked the rectum inside out.
When honey is swallowed, it enters the blood stream within a period of 20 minutes.
Pain travels through the body at 350 feet per second.
The hardest substance in the human body is enamel.
Sometimes when you belch, a little bit of your stomach acids comes along. This makes for a very disgusting and burning burp.
Your hearing is less sharp if you eat too much.
The human kidney consists of over 1 million little tubes with a total length of about 40 miles in both kidneys.
Urine was once used as a detergent for washing.
Electrical stimulation in certain areas of the brain can revive long lost memories.
Ever wonder how a mortician keeps a dead person's mouth shut? Undertakers pass a suture through he nasal septum and tie it to the lower lip. Or the use an injector needle gun to place wires into the lower and upper jaws; these are then twisted together to close the mouth.
The average person can go as many as eleven days without water. That's assuming a mean temperature of 60 degrees Fahrenheit.
Human lungs are 100 times easier to blow up than a standard toy balloon. But they tend to make lousy party favors.
Heroin is the brand name of morphine once marketed by Bayer.
The kidneys filter about 500 gallons of blood each day.
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