We have rounded up some interesting, yet true, facts about the human body.<------ the one about the fetus protecting its mother is really sweet... they care for each other far longer then they both think

Four human hearts with various afflictions.

Science is Incredible, Photo-Illustrated Scientific Facts

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.

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.

This is the human lung inflating...... whaaaaat... I literally just watched this like 25 times!

This is the human lung inflating...... whaaaaat... I literally just watched this like 25 times!

Pinterest
Search