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the heart is located in a ________ cavity, which is found in the ________ which is located within the _______ cavity
medial cavity space between the pleurae of the lungs that extends from the sternum to the vertebral column
located between the two layers of serous pericardium, is filled with a thin layer of pericardial fluid
smooth lining for chambers of heart, valves, and continuous with the lining of large blood vessels
anterior interventricular sulcus
marks the anterior position of the septum separating right and left ventricles
posterior interventricular sulcus
provides similar landmarks as anterior interventricular sulcus on the posterior side
the thickness of the ________ of the 4 chambers varies according to the function of each chamber
the right ventricle walls are _____ than the leaft because they pump blood into the _______, which are nearby and offer very little resistance to blood flow
the left ventricle walls are ______ because they pump blood through the body where the resistance to blood flow is greater
small earlike projections, extend anteriorly from the atria and help to increase atrial volume
bears a shallow depression that marks the spot where the foramen ovale existed in the fetal heart
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