Lesson 3 – What body parts enable movement, support, respiration, and circulation?
We learned that the place where two or more bones meet is called a joint and some joints like the ones in the skull don’t allow the bones to move. We learned that ligaments connect a bone to a bone and help stabilize joints. The term double-jointed refers to people who have highly elastic ligaments. Then we learned that bones, ligaments, and cartilage form the skeletal system and the cartilage cushions the ends of bones and forms flexible parts as in your ears and nose.