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Body Systems Educational Posters & Charts 2
for the science classroom, home schoolers, physicians and health professionals offices.
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science > biology > anatomy > BODY SYSTEMS 2 < health posters
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Body Systems : circulatory, digestive, nervous, respiratory.
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Circulatory System
The circulatory system transports essential oxygen and nutrients to every cell of the body. it also removes carbon dioxide and other wastes from the body. The circulatory systems consists of the heart, the blood vessels, and the blood. The blood is made up of red cells, white cells, platelets, and plasma. The blood vessels include arteries, veins, and capillaries. The human body contains more than 60,000 miles of blood vessels.
Small artereis, called arterioles, play an important part in the distribution of blood. Blood flows through the into capillaries, which form branched networks throughout the body. As blood cells flow through the capillaries, they give up oxygen and nutrients to the surrounding tissue spaces and take up carbon dioxide and other by-products of matabolism. Deoxygenated blood is then returned to the heart through the veins.
• circulatory system
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Digestive System
Poster Text: The digestive system is responsible for taking in the food we ear and converting it in to nutrients that the body uses to sustain itself. The digestive system performs two functions: breaking down food into small molecules, and absorbing these molecules into the body. These process allow the nutrients from the food to enter your blood system in order to be distributed throughout your body. These nutrients are used to produce energy and a building blocks for growth and repairing tissues. ...
• digestive system
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Nervous System
The brain and spinal cord make up the central nervous system. The peripheral nervous system is made up of the sensory and motor nerves conneting the brain and spinal cord to the sense organs, glands, muscles, and the rest of the body.
• nervous system
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