Cool Facts About the Human Body
Can you feel the pulse in your wrist? For humans the normal pulse is 70 heartbeats per minute. Elephants have a slower pulse of 27 and for a canary it is 1000!
If all the blood vessels in your body were laid end to end, they would reach about 60,000 miles.
In one day your heart beats 100,000 times.
Abraham Lincoln probably had a medical condition called Marfans syndrome. Some of its symptoms are extremely long bones, curved spine, an arm span that is longer than the persons height, eye problems, heart problems and very little fat. It is a rare, inherited condition.
Coughing can cause air to move through your windpipe faster than the speed of sound – over a thousand feet per second!
A human's small intestine is 6 meters long.
The farthest you can see with the naked eye is 2.4 million light years away! (140,000,000,000,000,000,000 miles.) That's the distance to the giant Andromeda Galaxy. You can see it easily as a dim, large gray "cloud" almost directly overhead in a clear night sky.
When you wake up in the morning you are at taller than when you go to sleep, because you have let your spine straighten back out after all the bending, sitting, and moving you have done!
Your tongue, eye, and jaw muscles are among the strongest muscles in your body.