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Skeletons - Coggle Diagram
Skeletons
Human skeleton
206 Bones
hard, strong
skull- head
jaw
rib cage
spine
hips
leg bones, arm bones
Why?
Protect our organs
Shape, support our bodies
Move, muscles attach to bones
Grow
Movement
Muscles contract
get shorter
pull the bones
Muscles relaxes
get longer
Why do we need to move?
makes the heart and lungs work better
makes muscles and bones stronger
lets you stretch your body easily
stops you from getting sick
helps you think better
puts you in a good mood
What?
Bones joined together
frame on the inside of body
Animal Skeletons
Vertebrates
Skeletons with backbones
Birds
amphibians
reptiles
mammals
fish
Invertibrates
Soft
exoskeleton
Insects
crabs
hard outer layer