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HI IF YOU LOG ONTO  http://hes.ucfsd.org/gclaypo/circulatorysys.htm#Parts of the Circulatory System   THERE IS PLENTY OF INFO  HOPE THIS HELPS

What is the job of the Circulatory System?The Circulatory System is responsible for transporting materials throughout the entire body. It transports nutrients, water, and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce. It is an amazing highway that travels through your entire body connecting all your body cells.

Parts of the Circulatory System
The circulatory System is divided into three major parts:

The HeartThe BloodThe Blood Vessels

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The Heart

The Heart is an amazing organ. The heart beats about 3 BILLION times during an average lifetime. It is a muscle about the size of your fist. The heart is located in the center of your chest slightly to the left. It's job is to pump your blood and keep the blood moving throughout your body.

It is your job to keep your heart healthy and there are three main things you need to remember in order to keep your heart healthy.

Exercise on a regular basis. Get outside and play. Keep that body moving (walk, jog, run, bike, skate, jump, swim).Eat Healthy. Remember the Food Pyramid and make sure your eating your food from the bottom to top.Don't Smoke! Don't Smoke! Don't Smoke! Don't Smoke! Don't Smoke!