Page 17 - 新思维科学学生用书8 样章
P. 17
1 Respiration
Summary checklist
I can describe how oxygen gets into my blood from the air, and carbon dioxide
goes the other way.
I can explain why it is better to have lots of very small air sacs in the lungs,
rather than a few big ones.
I can describe how to do an experiment to compare how much carbon dioxide
there is in inspired air and expired air.
16
