This card explains why fish need specialized respiratory systems, considering water's higher density and lower oxygen content compared to air.
Tato karta vysvětluje, proč ryby potřebují specializované dýchací systémy kvůli vyšší hustotě a nižšímu obsahu kyslíku ve vodě ve srovnání se vzduchem.
| Front | Why fish need specialized respiratory systems 3.1.1(f) |
|---|---|
| Back | - water more dense and less O2 rich than air - fish don’t need to worry about water loss though |
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