Which of the lloingn is tue of the left vntide?以下哪项关于左心室的陈述是正确的。

A.Iteeives oxygenated blood and pumps it to the entire body.它接收含氧血液并将其送到整个身体。

B.Ithas thick walls and pumps blood under low pressure.它有很厚的心壁，进行低压送血。

C.Itreceives deorygenated blood and pumps it to the lungs它接收缺氧的血液并送到肺部，

D.It has thin walls and pumps blood under low pressure.它有薄壁，在低压下送血。