100% O Read the passage. 長 ※ The human body is made up of 206 bones. Bones are very important to the body. Bones keep some parts of the body safe For example, the b bones keep the heart and lungs safe. Bones help give the body its shape and work with muscles to help the body move What is the main idea of this passage? 1. The body has 206 bones. 2 Bones are very important. 3. Bones help give the body its shape. 4. Rib bones keep the heart and lungs safe.
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