CIUDAD DE CÓRDOBA 3º SCIENCE BLOG
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SCI 3º
SCI 2º REVIEW
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Monday, October 1, 2012
JOINTS
Bones join together at joints.
Two types of joints:
Fixed joints: the bones do not move (the skull).
Moveable joints: the bones move in one direction (the knee or the elbow). These joints are held together by ligaments.
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