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An X-ray showing the coronary arteries of the heart

Fan Art, Superman Poster, Digital Print, Wall Decor, Custom Size, Custom Color More

pulmonary valve in the right ventricle of the human heart.

Chordae tendineae (the "heart strings") attached to the papillary muscles. The chordae attach to the atrioventricular valves to stop the valves from prolapsing into the atria during ventricular systole.

from 9GAG

Please don´t use the force!!

every time I see anything related to Star Wars I think.... I wonder if @Nicki Clark Johnson will like this?

A heart in good condition is shown at the left, and a heart from an alcoholic is shown at the right. Excessive alcohol consumption can cause a condition known as alcoholic cardiomyopathy, in which the heart becomes enlarged and weakened.