This card explains why insects require specialized respiratory systems due to their exoskeleton and absence of blood pigments for oxygen transport.
Tato karta vysvětluje, proč hmyz potřebuje specializované dýchací systémy kvůli svému exoskeletu a nedostatku krevních barviv pro přenos kyslíku.
| Front | Why do insects need specialized gaseous exchange systems 3.1.1(f) |
|---|---|
| Back | - have tough exoskeleton (no/little gas exchange) and no blood pigments (to carry O2), but need to supply O2 demands |
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