Date post: | 16-Apr-2017 |
Category: |
Education |
Upload: | appeterson |
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Circulatory system
FUNCTION:
•Transport gases, nutrients, water and waste•Regulate body temperature•Maintains blood pH•Protection from disease
Features
•Three main features:
• Fluid
• Transport system
•A pump
Fluid
• Blood:
• Contains red blood cells to transport oxygen
• Contains white blood cells to fight infection and disease
• Contains platelets for blood clotting
• Contains plasma for transporting dissolved gases, nutritients and waste
Transport System
•Blood Vessels:
• Arteries – carry blood Away from heart
• Veins – carry blood back to the heart
• Capillaries – where gases, nutrients and waste is exchanged
Pump
•Heart:
• Pumps blood through the vessels