BODY SYSTEM

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Across
  1. 4. carries oxygen rich blood to the other parts of the body.
  2. 6. treatment for asthma.
Down
  1. 1. affects the breathing passages of the lungs in the respiratory system.
  2. 2. substances build up in the walls of the arteries.
  3. 3. occurs when fat, cholesterol and other
  4. 5. can help reduce heart diseases.