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Anatomy
Heart
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the heart is located in the ________ ______ between the _____ & the _________
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thoracic cavity, lungs & the diaphragm
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jdavis136
Terms in this set (71)
the heart is located in the ________ ______ between the _____ & the _________
thoracic cavity, lungs & the diaphragm
the heart weights about ___g (0.66 lbs) & is about the size of a person's fist
300
a connective tissue sac that surrounds the heart & keeps it in place is the ___________
pericardium
what are the 2 layers of the pericardum?
parietal layer & visceral layer
the outer layer of the pericardium is the _________ layer
parietal layer
the inner layer of the pericardium is the ________ layer also know as the __________ & is attached to the heart wall
visceral layer, epicardium
the space located between the parietal & visceral layers of the pericardium is ___________ ______
pericardial cavity
the pericardial cavity contains ___________ _____, which functions as _________ by reducing friction w/in the pericardium as the heart beats
pericardial fluid, lubricant
the bulk of the heart wall consists of _________ (cardiac muscle), which is responsible for ___________ of the heart
myocardium, contractions
the heart consist of _ internal chambers that contain blood? they are?
4, 2 superior atria & 2 inferior ventricles