Use this A2-B1 ESL science reading passage to learn how bones heal. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count237 wordsReading PassageA bone is strong, but it can break after a fall or hard hit. A crack or break in a bone is called a fracture.When a bone breaks, a doctor may take an X-ray to see the break. The doctor..