The heart is surrounded by fibroserous sac, the pericardium. This is composed of two layers and anchors it to the surrounding structures

The heart is surrounded by fibroserous sac, the pericardium. This is composed of two layers and anchors it to the surrounding structures

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Salt Triggers Changes in Heart Structure Among Chronic Kidney Disease Patients

Salt Triggers Changes in Heart Structure Among Chronic Kidney Disease Patients

good picture of the electrical and mechanical structures of the heart.
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Don't know what to do with your Valentine's Day conversation hearts? Turn them into an engineering project by building conversation heart structures!

Don't know what to do with your Valentine's Day conversation hearts? Turn them into an engineering project by building conversation heart structures!

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