Animal Body Systems
📋 What it is
Animals have body systems — circulatory, respiratory, digestive — that work like ours but vary by species.
🗣️ Coach says
Animals run on cooperating body systems, much like humans: circulatory (blood), respiratory (breathing), digestive (food), nervous (control). But they VARY by species — fish breathe with gills, insects have no lungs (they use tiny air tubes), birds have super-efficient lungs for flight. Same jobs, different designs.
🧠 Memory hook
Animals share body systems (circulatory, respiratory, digestive…) but the DESIGN varies by species.
😂 Giggle
Why did the X-ray machine feel important?
Because it could see right through every patient!
😲 Whoa!
An octopus has THREE hearts — two pump blood to the gills and one to the rest of the body, which even stops beating when the octopus swims.
✅ Quick check: Do all animals breathe with lungs like humans?
Say your answer out loud first — then reveal.
No — fish use gills, insects use tiny air tubes, and different species have different respiratory designs.
Body-system designs vary widely across species.
🧪 Try it! (2 minutes)
Compare how a fish (gills), a dog (lungs) and an insect (air tubes) breathe — same job, different design.