Health is wealth!

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Across
  1. 1. a global epidemic is called...
  2. 4. organisms which depend on their host to develop
  3. 5. element which makes up human body
  4. 6. cells that protect human body from foreign substances
  5. 7. macronutrient that is essential to building muscle mass
Down
  1. 2. capacity to tolerate, resist harm/reject foreign body
  2. 3. disease believed to be the earliest
  3. 4. most effective method of preventing diseases