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!!!WICKED KEWL HEART PUMP MODEL!!! (CARDIAC CYCLE OF THE HEART VIDEO EXPLANATION) SCIENCE EXPERIMENT

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Published on Dec 4, 2010

!!!WICKED KEWL HEART PUMP MODEL!!! (CARDIAC CYCLE OF THE HEART VIDEO EXPLANATION) SCIENCE EXPERIMENT

Crazy Chris is not just pumping his heart, he's pumping a heart pump model and shows you how to make this wicked kewl heart pump model right at home!

Objective: To understand the heart has four chambers, the blood flow through the heart and how goes through a beat cycle.

Materials Needed:
- Small Jar
- Some Water
- Food Coloring (optional)
- Balloon
- A Toothpick
- Scissors
- 2 Straws
- A Rubber Band

Step 1) Fill your small jar with some water

Step 2) Using the scissors cut off the nozzel of the balloon and strech this balloon over the jars mouth

Step 3) Using a toothpick poke 2 holes in the stretched balloon.

Step 4) Attach the balloons nozzel to one of the straws using the rubber band and then insert both straws in to the holes poked in the stretched balloon.

Step 5) Push down on the rubber balloon so that water pushes out through the straws.

Why It Happens:
Air is trapped inside the jar and when you push on this air, the air pushes on the water forcing the water out of the ends of the straws. This works just like how your heart works only instead of air, the entire heart is full of blood. When the atriums contract this pushes blood into the ventricles. When the ventricles contract blood is either pushes into the lungs via the palmonary artery or back into the body via the aorta the bodies largest artery.

!!!WICKED KEWL HEART PUMP MODEL!!! (CARDIAC CYCLE OF THE HEART VIDEO EXPLANATION) SCIENCE EXPERIMENT

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!!!WICKED KEWL HEART PUMP MODEL!!! (CARDIAC CYCLE OF THE HEART VIDEO EXPLANATION) SCIENCE EXPERIMENT

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