Term
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Definition
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Term
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Definition
| to and from the body tissues |
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Term
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Definition
| recieves from the pulmonary and systemic circuit |
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Term
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Definition
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Term
| what is the largest organ of the mediasteinum? |
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Definition
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Term
| layers of the pericardium (top to bottom) |
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Definition
fibrous pericardium
parietal layer of serious pericardium
pericardial cavity
epicardium
myocardium
endocardium |
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Term
| external markings of the heart |
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Definition
coronary artery
anterior intraventricular sulcus
posterior intraventricular sulcus |
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Term
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Definition
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Term
| the fossa ovalis was called what when youre an infant? |
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Definition
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Term
| each valve is composed of |
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Definition
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Term
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Definition
| is between the atria and ventricular |
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Term
| function of fibrous skeleton |
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Definition
anchors valves
prevents overdilation of valves
main point of insertion for cardiac muscle
prevents spread of electrical impulses |
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Term
| what is the sound of lub in lub dub? |
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Definition
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Term
| what is the sound of dub in lub dub? |
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Definition
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Term
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Definition
contraction of a heart chamber (ventricles)
depolarization
blood ejection |
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Term
| what happens in diastole? |
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Definition
relaxation of the heart chamber (ventricles)
repolarization
blood fills up |
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Term
| how does the myocardium contract? |
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Definition
| using the sliding filament mechanism. happens when ions diffuse in it. |
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Term
| what are cells of the cardiac muscle seperated by? |
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Definition
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Term
| what ions causes the heart to contract? |
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Definition
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Term
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Definition
visceral sensory fibers
vagus nerve
sympathetic fibers |
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