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Unit 3 Lesson 6
Joints and Muscles
| Term | Definition |
|---|---|
| joint | a connection between two bones in your body |
| cushion | to protect with something soft |
| cartilage | a flexible tissue that cushions the joints where your bones meet |
| flexible | bendable |
| connective | linking |
| model | smaller copy |
| ligament | a tissue connecting bones to bones |
| tendon | a tendon connecting muscles to bones |
| Achilles | a hero of the Trojan War in Greek mythology: he could only be killed by a wound just above the heel |
| Achillies tendon | the strong tendon joining muscles in the calf of the leg to the bone of the heel |
| warrior | soldier |
| invulnerable | safe or protected; opposite of vulnerable |
| Trojan | a person born or living in the ancient city of Troy |
| vulnerable | weak or in danger |