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Chapter 12
Bones and Muscles
24
Science
4th Grade
08/21/2012

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Cards

Term
A bone in the spine
Definition
vertebra
Term
A crack or break caused when a bone is put under too much pressure
Definition
fracture
Term
A group of stretchy tissues that moves parts of the body
Definition
muscle
Term
A mineral that makes bones strong and hard
Definition
calcium
Term
A place where two or more bones come together
Definition
joint
Term
Muscles you can control
Definition
voluntary muscles
Term
A strong, elastic tissue that connects bones
Definition
ligament
Term
An injury caused when a joint is twisted too hard
Definition
sprain
Term
Ball-and-socket joints
Definition
shoulder and hips
Term
Bones are ___ tissue
Definition
living
Term
Bones can ___ and ___themselves
Definition
grow and repair
Term
Bones have several ___
Definition
layers
Term
Hinge joints
Definition
elbows and knees
Term
How muscles work together in pairs
Definition
One muscle contracts while the other muscle relaxes
Term
Immovable joints
Definition
skull
Term
Makes new blood cells in bones
Definition
marrow
Term
Most skeletal muscles are ___
Definition
voluntary
Term
Muscles that work without your control
Definition
involuntary muscles
Term
Pivot joints
Definition
vertebrae in the neck
Term
Store minerals and protect organs in the body
Definition
bones
Term
The bones and the muscles attached to them
Definition
the skeletal muscular system
Term
The smooth muscles in many organs and the cardiac muscle
Definition
involuntary muscles
Term
The strong, flexible tissue that cushions joints
Definition
cartilage
Term
The three things bones and muscles need to be healthy
Definition
1. the right kinds of food
2. exercise
3. rest
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