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Video: Heart and circulatory system - How they work

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Watch this video to see how a healthy heart works.

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NOVA Online | Electric Heart | Amazing Heart Facts

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Put your hand on your heart. Did you place your hand on the left side of your chest? Many people do, but the heart is actually located almost in the center of the chest, between the lungs.

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pinky and the brain-brainstem.Anatomy of Brain Notes.Create your own Voki.Brain Quiz: Exam View

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Reproduction & Human Development Powerpoint

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Reproduction & Human Development Powerpoint

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Short

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1.Vaccines
2.Destroy Invaders
3. Developmental Timeline

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Follow these simple steps to find online resources for your book.

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Read our article and learn more on MedlinePlus: Fetal development

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Virtual Lab Blood Pressure