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Term
| The heart is bordered laterally by the |
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| The heart is bordered posteriorly by the |
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| The heart is bordered anteriorly by the |
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| The heart lies below the _____ rib. |
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| Space between the parietal and visceral layers of the pericardium that contains a small amount of serous fluid that reduces friction between the pericardial membranes as the heart moves within them. |
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Definition
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| The visceral portion of the pericardium on the surface of the heart. |
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Definition
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| Thick middle layer of the heart that consists mostly of cardiac muscle tissue that pumps blood out of the heart chambers. |
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Definition
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| The inner layer of the heart that consists of epithelium and connective tissues that contains many elastic and collagenous fibers. |
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Definition
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Term
| Blood that is low in oxygen and high in carbon dioxide enters the right atrium through the |
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Definition
| venae cave and coronary sinus. |
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Term
| Blood flows from the venae cave to the |
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Definition
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Term
| Blood flows from the tricuspid valve to the |
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Definition
| chamber of the right ventricle |
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Term
| When the right ventricular wall contracts, the tricuspid valve closes and blood moves through the |
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Definition
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Term
| Blood flows from the pulmonary valve and into the |
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Definition
| pulmonary trunk and its branches. |
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Term
| The heart consists of ____ chambers. |
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Definition
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Term
| After the left ventricle contracts, the _____ closes and the ______ opens, to allow blood to flow from the _____into the_______. |
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Definition
| aortic valve; mitral valve; left atrium; left ventricle |
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Term
| As the left atrium contracts, more blood flows into the |
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Definition
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Term
| When the left ventricle contracts with the mitral valve open, the mitral valve closes and the aortic valve opens, so blood flows into the |
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Definition
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Term
| Part of the heart that seals the heart valves when it’s closed |
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Definition
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Term
| There are three cusps for each valve except for the _______, which has only two. |
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Definition
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