Circulatory System

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9 Terms

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Structure

Heart, blood, blood vessels

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Function

Transport

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Circulation

  1. Deoxygenated blood comes back from the body to the right side of the heart.

  2. It is pumped to the lungs.

  3. Blood cells pick up oxygen.

  4. Blood returns to left side of heart.

  5. It is pumped to the rest of the body to deliver oxygen to cells.

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Blood Vessels

Arteries, Veins, Capillaries

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Arteries

carry blood away from the heart

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Veins

carry blood back towards the heart

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Capillaries

tiny arteries or veins that deliver and pick up materials from cells

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Components of Blood

Plasma (Fluid) - majority of the body

Thrombocytes (Platelets) - clots

Leucocytes (White blood cells) - give immunity

Erythrocytes (Red blood cells) - transport O2 and CO2

<p>Plasma (Fluid) - majority of the body</p><p>Thrombocytes (Platelets) - clots</p><p>Leucocytes (White blood cells) - give immunity</p><p>Erythrocytes (Red blood cells) - transport O<sub>2 </sub>and CO<sub>2</sub></p>
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What Blood transports

  • O2 and CO2 – red blood cells

  • Water and nutrients

  • Other wastes, such as urea

  • Hormones

  • Antibodies (fight infection)

All in the Plasma (fluid)