Jill Bolte Taylor got a research opportunity few brain scientists would wish for: She had a massive stroke, and watched as her brain functions -- motion, speech, self-awareness -- shut down one by one. An astonishing story. See Video here:
Amazing Anatomy • The heart is the strongest muscle in the body.
• The largest muscle in your body is located in your rear end.
• The human neck has the same number of vertebrae as a giraffe’s neck.
• There are 22 bones in the human skull.
• The human skull is 80% water.
• The average human head weighs about 8 pounds.
• Your heart is just a bit bigger than your fist.
• The heart pumps 36,000 gallons of blood a day.
• The smallest bone in the body is in your ear.
• The femur (thigh bone) is the biggest bone in the body.
Gross-Out Goodies • The average human will shed 40 pounds of skin in a lifetime.
• The strong contraction of your heart creates enough pressure to squirt blood up to 30 feet.
• About 75% of “poop” is made up of water. The rest consists of undigested plant fibers and germs.
• The average person loses about 80-100 hairs a day.
• Your nose makes about a cup of snot each day.
• You usually release about one and a half quarts of urine a day.
Fascinating Facts • Your nose and ears never stop growing.
• Women blink nearly twice as much as men.
• The air released from a sneeze can exceed 100 mph.
• It’s impossible to sneeze with your eyes open.
• From the age of thirty, humans gradually begin to shrink in size.
• At rest a normal person breathes 10-15 times a minute. A baby takes about 40-50 breaths a minute.
• Like a fingerprint, every person has a unique tongue print.
• Every time you step forward, you use fifty-four muscles.
• The surface area of a human lung is equal to a tennis court.
• Food stays in your stomach for 2 to 4 hours.
• Your funny bone isn’t bone at all. It’s a nerve that runs just under your skin in each elbow.