Body and health

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Across
  1. 1. a single pass of a needle in sewing
  2. 4. a composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates
  3. 5. a purplish mark on the skin due to leakage of blood from capillaries under the surface that have been damaged by a blow
  4. 6. a person trained to provide care for the sick
  5. 8. a chair mounted on large wheels for the transportation or use of a sick or disabled person
  6. 10. to lose consciousness through a lack of oxygen or nutrients to the brain
  7. 12. a measure of cold or heat, often measurable with a thermometer
Down
  1. 2. the act of injecting, or something that is injected
  2. 3. to cause physical pain and/or injury
  3. 4. the act of respiration
  4. 7. an area of inflamed and irritated skin characterized by reddened spots
  5. 9. a pill
  6. 11. food that is prepared and eaten