Mr Romir.

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Across
  1. 2. Divides the body into unequal right and left parts
  2. 4. The central compartment of the thoracic cavity
  3. 5. Toward the midline of the body
  4. 7. toward the midline of he body
  5. 8. Toward the head
Down
  1. 1. Runs down the midline
  2. 3. Toward the front of the body
  3. 6. thin spaces between the lungs and chest wall