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an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves. Explain what information can be gained from an electrocardiogram (EKG) The underlying rate and rhythm mechanism of the heart. The orientation of the heart (how it is placed) in the chest cavity.
The base of the heart is where the great vessels are attached. Apex of the Heart. The inferior, pointed tip of the heart. Coronary Sulcus. A deep groove, marking the border between the atria and the ventricles. Anterior Interventricular Sulcus. Shallow depressions that mark the boundary between the left and right ventricles.
Aortic Valve. #10 Heart valve between the left ventricle and the aorta. Mitral Valve / Bicuspid Valve. #11 Heart valve between the left atrium and left ventricle. Left Ventricle. #12 Receives oxygen-rich blood from the left atrium. Endocardium. #13 Inner layer of the heart lining the chambers to reduce friction and the blood passes through.
The circulatory system - a PDF file of the upper and lower body for printing out to use off-line; Articles: Describe and explain the function of the circulatory system - The circulatory system consists of the heart, the blood vessels (veins, arteries, and capillaries), and the blood. The heart is a four-chambered muscular organ ...
increases the strength of the heart contraction. opposes high blood pressure. constricts or narrows the diameter of a blood vessel. constricts or narrows the diameter of a blood vessel. 155. The formation of a blood clot in a vein deep in the body, most commonly in the leg, is ______. Multiple choice question.
Oct 30, 2023 · Worksheet showing unlabelled heart diagrams. Using our unlabeled heart diagrams, you can challenge yourself to identify the individual parts of the heart as indicated by the arrows and fill-in-the-blank spaces. This exercise will help you to identify your weak spots, so you’ll know which heart structures you need to spend more time studying ...
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Which atria is pumped through the heart?
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Where are the great vessels attached to the heart?
Which part of the heart supplies blood to the atrioventricular node?
Oct 31, 2024 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks. In fishes the heart is a folded tube, with three or four enlarged areas that correspond ...
