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The Circulatory System

The Circulatory System. Parts and Function. The 3 main parts of The Circulatory system. The Heart The Blood Vessels Blood. THE HEART. Parts of The Heart. The Atria -Receiving Chambers The Ventricles -Pumping Chambers The Valves -Controls Flow The Septum

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The Circulatory System

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  1. The Circulatory System Parts and Function

  2. The 3 main parts of TheCirculatory system • The Heart • The Blood Vessels • Blood

  3. THE HEART

  4. Parts of The Heart • The Atria -Receiving Chambers • The Ventricles -Pumping Chambers • The Valves -Controls Flow • The Septum -Divides the Heart

  5. Blood Vessels

  6. Types of Blood Vessels • Arteries -Carry blood away from the Heart -The Aorta is the largest artery • Veins -Carry blood away from the Heart -Veins contain valves -The Vena Cava is the largest vein • Capillaries -Known as the “Distribution Pipes”

  7. Blood

  8. The Composition of Blood • The Plasma (Fluid) makes up 55% of the blood volume. • The Solids (Cells) make up 45% of the blood volume.

  9. Blood Plasma • 97% Water • Other 3% -Antibodies and Proteins - Nutrients and Wastes

  10. Blood Solids • Red Blood Cells -Carry oxygen -Contain Hemoglobin • White Blood Cells -Attack bacteria & other invaders • Platelets -Control the blood clotting process

  11. Credits • Graphics courtesy of Crystalcafe.com & The Franklin Institute online. • Presentation by Steve Kennette Thanks to: Spartanburg School District #5 Duncan, S. C.

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