Practice

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Across
  1. 4. present inside the bones and produces red blood cells
  2. 6. disease caused due to deficiency of proteins and carbohydrates
  3. 8. Joint that allows only back and forth movement
Down
  1. 1. largest and strongest bone in the skull
  2. 2. disease in which the symptoms seen are excessive thirst, excessive hunger and frequent urination
  3. 3. a picture that shows the quantities of nutrients needed by an individual
  4. 5. A practice of burning down parts of forests to clear it for human activities
  5. 7. main reason due to which plants and animals are depended on each other