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Musculoskeletal System
Introduction to the Musculoskeletal System for 3rd Grade Science
11
Science
3rd Grade
10/06/2020

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Term
Pivot Joint
Definition
Allows movement in a circular path like a swivel chair
Example: NECK
Term
Ball-and-socket Joint
Definition
Allows your body to move in all directions
Examples: SHOULDERS AND HIPS
Term
Hinge Joint
Definition
Allows your bones to move backwards and forwards in only one direction
Examples: ELBOW AND KNEE
Term
Gliding Joint
Definition
Allows your joints to move in many directions. In gliding joints your bones slide along each other
Examples: WRIST AND ANKLE
Term
Cartilage
Definition
strong, flexible tissue that forms the skeleton of some fish.
Examples: EARS, TIP OF THE NOSE AND OTHER STRONG BUT FLEXIBLE PARTS
Term
Joint
Definition
A point where two bones meet, and which generally make movement.
Term
Ligament
Definition
A sheet of band of tough, fibrous tissue connecting bones or cartilage at a joint or supporting an organ.
Term
Musculoskeletal System
Definition
A system of the body made of the muscles and skeleton
Term
Tendon
Definition
A band of tough, inelastic fibrous tissue that connects a muscle to a bone. Tendons help our muscles move our bones.
Term
Vertebrae
Definition
The small bones that make up the backbone. The bumps you feel in your back are your vertebrae.
Term
Human Body
Definition
The human body is made up of: cells form tissues, tissues form organs, organs form body systems, and systems work together to make our human body.
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