Tuesday, February 16, 2016

Heart Wall - Myocardium

We just learned about the first inside part of the heart wall called the endocardium.

The next part of heart wall is the Myocardium.

This part of the heart wall has the muscles in it that squeeze together to make the heart pump the blood through the body.

(from: wikipedia - cardiac muscle)

Kid Facts - Blast from the past: Dorsal Scapular Artery