Elbows and Knees at Work
Two short texts explain how elbows and knees help the body move, using familiar actions and described pictures.
Play the quiz as a gameThe first text has the heading “Bend Your Arms.” Your elbow is a joint. A joint is a place where bones meet. Your elbow lets your arm bend and straighten.
Imagine trying to eat with a stiff arm. Bending your elbow helps you bring a spoon to your mouth. You also bend it to brush your hair.
A picture shows a child eating soup. Its caption says, “An elbow helps an arm bend.”
The second text has the heading “Bend Your Legs.” Your knee is a joint. A joint is a place where bones meet. Your knee lets your leg bend and straighten.
Imagine trying to climb stairs with stiff legs. Bending your knees helps you step up. You also bend them to sit in a chair.
A picture shows a child walking up stairs. Its caption says, “A knee helps a leg bend.”