Fun infographic about the heart valves, part of the incredible cardiovascular machine.
During pregnancy, the fetal lungs are not used for breathing—the placenta does the work of exchanging oxygen and carbon dioxide through the mother's circulation. With the first breaths of air the baby takes at birth, the fetal circulation changes.
The Four Heart Valves. Mitral and Tricuspid valves and the aortic and Pulmonic Valves
anatomy of the heart | HeartFacts.co.uk » Heart physiology/anatomy
Okaaay I could have thought one of a little nicer but ... whatever works
Blood Flow through the Cardiac Valves, from Nurse Lalaine. Lots of cool memory tricks on this nursing blog.
Heart valve and strings, coloured scanning electron micrograph (SEM). This is the tricuspid valve (upper right), seen from the right ventricle of the heart
Nature under the microscope
New Aortic Stenosis Infographic Raises Social Awareness to Dangers of Heart Valve Disease
Heart strings: This is the chordae tendineae. They are connected to the bottom of the hearts valves and help pull them closed.
Simple heart and blood flow