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Bones - Coggle Diagram
Bones
What bones made of?
the 1st layer
has nerves & blood vessels
help bones grow
the 2nd layer
hard & smooth
the 3rd layer
spongy & hard
the middle of the bone
marrow
make blood cells
when you fracture
soft at first
bones heal
become hard
connect the bones together
Important bones
skull
inside the head
protect brain
ribcage
in the chest
protect heart & lungs
spine
made of vertebrae
hold entire body
protect spinal cord
joint
where the bones connect
knees & elbows
move & bend
What?
form a skeleton
protect important parts
skeleton
work with muscles
help you move
How to take care of bones
wear gears
helmet, elbows pads
dairy food
need calcium
strong & healthy