1. The Circulatory System
Parts and Function

2. The 3 main parts of The Circulatory 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
-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.