The skeleton supports the body, gives it shape, protects organs, and helps movement., What is the function of the skeleton?, 206 bones., How many bones does the human skeleton have?, Places where two or more bones meet., What are joints?, The skull., What protects the brain?, The rib cage, What protects the heart and lungs?, Muscles and tendons., What is the muscular system made of?, Tendons connect muscles to bones., What do tendons connect?, Vertebrates have a spine and an internal skeleton. Invertebrates do not have a spine or an internal skeleton., What is the difference between vertebrates and invertebrates?

Unit 1 Skeleton

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