人體的血液循環

體/肺循環

構造

心臟

血管

動脈

靜脈

微血管

血液

心房

心室

血球

紅血球

白血球

血小板

7.肺動脈流到微血管

8.微血管再流到肺,換氣體

9.流到肺靜脈

6.右心室收縮將血液送到肺動脈

5.缺氧血送回右心房,再到右心室

10.流到左心房,再到左心室

4.流到大靜脈

11.繼續循環

3.微血管進行物質交換

2.主動脈送到小動脈

1.左心室收縮將充血氧送到主動脈

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