Use this A2-B1 ESL science reading passage to learn why people have nails. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count232 wordsReading PassageA nail is the hard part at the end of a finger or toe. Nails may look simple, but they do several helpful jobs.One job is to protect the soft skin at the end of each finger. The..