Bradley’s crossword

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Across
  1. 2. a spongy material that makes the core of bones
  2. 5. a treatment for sickle cell disease
  3. 7. a disease that affects millions of people throughout the world
Down
  1. 1. the inheritance of genes from family
  2. 3. also known as deoxyribonucleic acid
  3. 4. a lack of oxygen in blood
  4. 6. made up of DNA and are what give living things their traits