The Circulatory System

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Presentation transcript:

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 -Divides the Heart

Blood Vessels

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

Blood

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

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

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

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