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Bones (3) What are some important bones? (2.ribcage (chest (protects…
Bones
3) What are some important bones?
2.ribcage
chest
protects hearts and lungs
spine
holds up the entire body up
protects the spinal cord
joints
connect the bones
help us move and bend
skull
head
protects the brain
1) What is a bone?
form a skeleton
without skeleton
look like a puddle of ears, eyes, and hair
help us move
protect important parts
4) How can we take care of our bones?
wear safety gears
elbow pads
kneepads
helmet
wrist guards
eat dairy foods
milk
cheese
butter
yogurt
2) What are bones made of
four different layers
Second Layer: hard and smooth
Third Layer: spongy but pretty hard
First Layer: nerves and blood vessels
In the middle: Marrow
makes blood cells
When fractured
bones connect together
soft at first
heals and hardens