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The Circulatory System

The Circulatory System. Raimon Flores. Major functions of the circulatory system. Permits blood and lymph circulation to transport nutrients To nourish body and help fight diseases To stabilize body temperature Maintains homeostasis. Major parts of the circulatory system.

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The Circulatory System

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  1. The Circulatory System Raimon Flores

  2. Major functions of the circulatory system • Permits blood and lymph circulation to transport nutrients • To nourish body and help fight diseases • To stabilize body temperature • Maintains homeostasis

  3. Major parts of the circulatory system • Heart- Pumps oxygenated blood away from the lungs and non-oxygenated blood away from the lungs • Artery- Blood vessels that carry blood away from heart • Vein- Blood vessels that carry blood away from heart • Capillary- Connect arterioles and venules, helps exchange water, carbon dioxide and many other nutrients

  4. Components of blood • Red blood cell- Most common blood cell, delivers oxygen to body system • White blood cell- Leukocytes, part of the immune system, defends against infected diseases, 5 different varieties of white blood cells • Platelets- Thrombocytes, small, disk-shaped clear cell fragments, average lifespan 5-9 days, circulate in blood of mammals and are involved in hemostasis, leading to the formation of blood clots • Plasma- Liquid blood, ½ of blood is plasma, made in liver, carries cells through body

  5. Path blood takes through the body • Blood comes from the heart filled with oxygen and travels to the different parts of the body to deliver oxygen. Then comes back and gets rid of the carbon dioxide.

  6. Working with other systems • Skeletal- Bones produce blood cells • Digestive- Breaks down nutrients and then nutrients are absorbed into blood • Muscular- Provides muscles with oxygen and nutrients

  7. Facts about the circulatory system • Some people consider the circulatory mostly composed of the cardiovascular system • If you lay all of the arteries, capillaries, and veins in one adult end-to-end it would stretch out to 60,000 miles long • The human heart beats around 3 billion times in an average persons life • Within a tiny drop of blood, there are 5 million red blood cells

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