最新 心脏解剖生理及正常心电图
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心脏的解剖结构及生理(含彩图)-心脏位置图XXX of the HeartThe heart is a pump that propels blood flow in the entire circulatory system。
It is located in the mediastinum。
behind the sternum and the second to sixth rib cartilage。
and in front of the XXX。
with two-thirds of the heart on the left side of the chest cavity and one-third on the right side.The heart is composed of cardiac muscle cells。
valves。
and four chambers。
The left ventricle mainly forms the heart apex。
while the heart base consists of the great vessels and veins。
The four chambers of the heart are the left atrium。
left ventricle。
right atrium。
and right ventricle。
The tricuspid valve is een the right atrium and ventricle。
while the mitral valve is een the left atrium and XXX is een the right XXX。
and the aortic valve is een the left XXX ventricular septa separate the left and right sides of the heart。