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7 Cards in this Set
- Front
- Back
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Lub sound of the Heart (S1) |
Tricuspid and mitral valve snap shut |
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Dub sound (S2) |
Pulmonary and aortic valves snap shut |
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Atrioventricular Valve Structures: Papillary muscles |
Muscle attached to AV valves. Attached to Chrordae Tendinae |
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AV Valves Structutes: Chrodea Tendinae |
Chords attach papillary muscles to AV valves |
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Interventricular septum |
Muscle between ventricles **top of interventricular septum is membranous, bottom is muscle** |
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3 layers of heart muscle (inside to out) |
1. Endocardium (goes around valves as well). Similar inner lining of blood vessels. Red blood cells bump against this layer 2. Myocardium (biggest chunk of wall). Muscular part. 3. Pericardium (thin layer). Has 2 layers. Inner and outer layer with a gap in between. Closest to heart is visceral pericardium. Outer layer parietal pericardium |
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Arteries vs. Veins |
Arteries: blood away from heart Veins: blood to the heart |
