本题目来源于试卷: Form and Function B.6 Gas Exchange，类别为 IB生物学
[问答题]
Gas exchange is very important for both plants a1ey61(o dr ppd4k3 pgknd aniqncem li:vv-p8 azv r u55f.);(b(kwsmals.
1.Outline the properties of gas-exchange surfaces.
2.Describe how muscles bring about pressure changes during inspiration in humans.
3.Transpiration is a result of gas exchange in plants. Explain how different environmental factors affect the rate of transpiration.
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