2.经过体循环,血液 发生了什么变化?
动脉血
静脉血
3.经过肺循环,血液 . 循环是血液从心脏
液
左 侧出发回到 右 侧
循
肺循环是血液从心脏
环
右 侧出发回到 左 侧
模
于是组成了一个完整的
式
图
血液循环途径
血液循环途径:
体循环:左心室
主动脉
全身毛细 血管网
上、下 腔静脉
如果一个人的血压持续高于18.7/12kPa,则
认为是高血压。
如果一个人的血压持续低于12/6.7kPa,则
认为是低血压。
当堂训练 15分钟
• 基础训练p24—25; • 1.必做题: • 选择题1---6题 • 2.选做题: • 非选择题:1---5题
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