Layers of the Heart
The specialized muscle cells of the heart form three distinct layers of tissue that perform very specific function
Label these layers on the diagram below, and color in the layer that is primarily responsible for physical
pumping the blood.
The
is the protective sac that loosely surround
the entire heart, allowing it to expandan
contract freely.
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Layers of the Heart
The specialized muscle cells of the heart form three distinct layers of tissue...
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