Xeng+Vang

=**The System and How it Works**=

Quick Fun Facts. Did you know?
 * Every square inch in the human body has about 19 million skin cells.
 * The average hair on the human head is roughly about 100,000.
 * A heart beats more then 2.5 billion time in a life time.
 * The strongest muscle in the human body is the tongue.
 * The human body will blink at least 10,000,000 times in a year.
 * The human brain weighs about 3 pounds.
 * It takes about 20 seconds for a red blood cell to circulate around the whole human body.
 * Only 10% of the population is left handed.
 * 1/4 of bones in the human body are in the feet.
 * The index finger is the most sensitive finger on the hand.
 * Men are more color blind than women.
 * More people have brown eyes than any other color.

Now that we know these facts it's time to talk about the system and how it works well not the governments system of course. The system inside your body I'm talking about the human anatomy. Today we're going to learn about six different kinds of systems. The first system the digestive system. The basic's of the digestive system is to digest food after being eaten. The second system is the respiratory system this system is consisted of how breathing works. The third system is the circulatory system. The circulatory system helps circulate blood throughout the body. The fourth system is the nervous system this helps us to get a fast reaction and act quickly but the nervous system helps much more than just that. The fifth system is the muscular system. The muscular system is to help your body to carry, push or pull heavy objects. Finally the sixth system is the skeletal system. The skeletal system helps our body to standing up. It gives us the features of how our body looks without it we'll all be a big lumpy glob on the ground unable to move.

So now that we know how the system works lets talk about how to keep your body healthy. First of all we already know the basic part of it you've heard and your parents had already told you it again and again "Eat right and exercise".

"Human Body." //The Human Body//. kidsKonnect.com, Web. 12 May 2011. .