Teenager
08-23-2005, 11:48 AM
Although the heart weighs only about 11 ounces, it can keep blood moving continuously through 60,000 to 100,000 miles of blood vessels.
Exhaled air contains 100 times more carbon dioxide than inhaled air.
The digestive system is composed of a number of organs that make up a 30-foot-long tube.
When we touch something, impulses travel through the nerve network to the brain at a rate of 350 feet per second.
One square centimeter of skin from the tip of your little finger contains 1,300 nerve endings.
An average square centimeter of skin has 12 feet of nerves and 3 feet of blood vessels.
The skeletal system is made up of approximately 206 bones and numerous ligaments.
One cubic inch of bone can withstand 2 tons of pressure.
If all the muscles in the body pulled together in one direction, they could lift 25 tons.
I will praise thee; for I am fearfully and wonderfully made: marvelous are thy works; and that my soul knoweth right well. -Psalm 139:14
Exhaled air contains 100 times more carbon dioxide than inhaled air.
The digestive system is composed of a number of organs that make up a 30-foot-long tube.
When we touch something, impulses travel through the nerve network to the brain at a rate of 350 feet per second.
One square centimeter of skin from the tip of your little finger contains 1,300 nerve endings.
An average square centimeter of skin has 12 feet of nerves and 3 feet of blood vessels.
The skeletal system is made up of approximately 206 bones and numerous ligaments.
One cubic inch of bone can withstand 2 tons of pressure.
If all the muscles in the body pulled together in one direction, they could lift 25 tons.
I will praise thee; for I am fearfully and wonderfully made: marvelous are thy works; and that my soul knoweth right well. -Psalm 139:14