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Whew! My heart is bearing so fast!
Your Circulatory system needs more oxygen to oxygenate your blood in the lungs.
Circulatory System. Let me show you.
What is the cir... whatever it's called?
What are arteries and vanes?
The circulatory system is made up of the lungs, the heart, arteries, and vanes.
I'll show you it all!
The heart pumps blood through the body. The more you move the faster your heart pumps to get blood to the muscles through vanes. Arteries transport oxygenated blood from the lungs to the rest of the body.
. . . . . .
Any time, dude!
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