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Year 4 Unit 3: Animals Breathing organs of animals - Coggle Diagram
Year 4
Unit 3: Animals
Breathing organs of animals
Lungs
most of the animal that live on land breathe through lungs
some aquatic animals such as whales and dolphins also breathe through lungs
cat
whale / dolphin
cows / goat
bats / birds
frog / toad
Spiracle
insects breathe in air through air-holes (spiracles) present along the sides of the body
tracheal system consist of small tubes where oxygen is absorbed from the atmosphere to cells in the body
bee
cockroach
grasshopper
caterpillar
millipede / centipede
Moist skin
frogs and toads have two respiratory organs: lungs and moist skin
the use of those respiratory organs depends on the surrounding environment.
example of an aquatic animal with two respiratory organs is a turtle
frog
toad
salamander / newt
earthworm
Cecilia
Gills
most of the animals that live in water breathe through their gills
fish
shark / sting ray
crustacean
tadpoles / shrimp
horseshoe crab