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Page 1: Open vs. Closed Circulatory System

Open vs. ClosedCirculatory System

Advanced Biology 11Ms. Lowrie

Page 2: Open vs. Closed Circulatory System

Open Circulatory System

Have heart May have some blood vessels

Not always connectedBlood carrying oxygen/

nutrients pumped into body cavities Surrounds cells

Page 3: Open vs. Closed Circulatory System

Open Circulatory System

Examples:SnailsGrasshoppersLobsters Insects

Page 4: Open vs. Closed Circulatory System

Closed Circulatory System

Have blood vesselsBlood always in heart or vesselsLarger vessels

branch into smaller vessels

Blood supplied to all body tissues

Page 5: Open vs. Closed Circulatory System

Closed Circulatory System

Examples:EarthwormsFishHumansMonkeys

Page 6: Open vs. Closed Circulatory System

Let’s Correct!

#1-3 , 5 pg 243

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