How the human knee joint and human shoulder joint work?and what simple mechanical devices are they similar to?
im not sure if its related to biology because Its on my biology study guide...
- The Answerer
knee is a hinge joint, like in a door when it opens and closes
Shoulder is a ball and socket joint, like in a front wheel drive car steering rack
Orignal From: How the human knee joint and human shoulder joint work?
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