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心室壁比那些或耳廓更肌肉壁（壁更厚），因为耳膜将血液泵入较短的距离，即心室时，肺心抽血更长的距离，即身体和肺部。 The walls of the left ventricle that pump blood to the rest of the body through the aorta which is a longer distance away from the heart are thicker than those of the right ventricle which pump blood to lungs through the pulmonary artery which is a shorter distance away from the heart Flow of blood through the heart De-oxygenated blood flows into the heart from the rest of the body via the vena cava to the right atrium which pumps it to the right ventricle. 右心室通过肺动脉降低血液到肺部。 含氧血液通过肺静脉流回心脏，向左心房将其泵送到左心室。 含氧血液最终通过主动脉泵送到身体的其余部分。 注意：心脏的血液供应是通过冠状动脉身体和肺部。The walls of the left ventricle that pump blood to the rest of the body through the aorta which is a longer distance away from the heart are thicker than those of the right ventricle which pump blood to lungs through the pulmonary artery which is a shorter distance away from the heart Flow of blood through the heart De-oxygenated blood flows into the heart from the rest of the body via the vena cava to the right atrium which pumps it to the right ventricle.右心室通过肺动脉降低血液到肺部。含氧血液通过肺静脉流回心脏，向左心房将其泵送到左心室。含氧血液最终通过主动脉泵送到身体的其余部分。注意：心脏的血液供应是通过冠状动脉
S2生物学
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