Ask A Biologist - Human Heart Anatomy - Worksheet Coloring ...

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Did you know that an adult human heart beats over 100,000 times a day? How many times would it beat in a year?

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The average time it takes a single red blood cell to leave and return to the heart is 30 seconds.

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Ask A Biologist coloring page | Web address: askabiologist.asu.edu/activities/coloring

Human Heart

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Heart Anatomy Key:

1 Aorta 2 Anterior Vena Cava 3 Posterior Vena Cava

4 Right Atrium 5 Left Atrium 6 Pulmonary Artery

7 Pulmonary Vein 8 Right Ventricle 9 Left Ventricle

10 Atrioventricular Valve 11 Septum 12 Semilunar Valve

Ask A Biologist coloring page | Web address: askabiologist.asu.edu/activities/coloring

Human Heart - Key

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