circulatory system


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The Circulatory system:

The Circulatory system Jenna Lustig

Background information :

Background information -Composed of the heart and blood vessels (arteries, veins, and capillaries) A function of this system is to transport nutrients and gasses to the cells about 2,000 gallons of blood each day travel many times through about 60,000 miles of blood vessels


Blood There are two types of blood cells , red and white Blood cells are transferred to the heart by veins Arteries carry blood away from your heart in order to give oxygen to all of the other cells in your body After blood has done that it returns to the right side of your heart to become oxygenated once again

Your heart :

Your heart Is divided into four chambers the top two are known as the atria and the bottom two are known as the ventricles Your heart is made up of cardiac muscle which is made up of very strong tissues This causes the heart to contract It is a organ because all of the tissues work together for a main goal

Cardiac tissue :

Cardiac tissue Cardiac tissue is the main type of tissue in your heart and is only found in your heart Inside this tissue are myocardium, endocardium , and pericardium cells Myocardium cells make up the thick muscular layer of the heart wall Endocardium cells are found inside the heart chambers Pericardium cells forms a thick sac around the heart that protects it from outside contaminations


C onclusion The blood cells go to the heart which is made up of musclar tissue which is why it is an organ. The entire process of blood being carried throughout your body and oxygenated by your heart is called the circulatory system. In the circulatory system the heart is made up of cardiac tissue which is made up of myocardium, endocardium , and pericardium cells


B ibliography Images Picture of circulatory system: , 22 september 2012 Picture of blood: , 22 september 2012 Diagram of heart: , 22 september 2012 Diagram of blood cells: , 22 september 2012 http://

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