WOMBAT

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Across
  1. 2. used to add a further comment or a remark unconnected to the current subject; by the way.
  2. 7. relating to or professing Christianity or its teachings.
  3. 8. a group of (typically three or more) notes sounded together, as a basis of harmony.
  4. 10. causing laughter and amusement; comics.
  5. 11. the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
  6. 13. relating to chemistry, or the interactions of substances as studied in chemistry.
Down
  1. 1. a shop where medicinal drugs are dispensed and sold, and in which toiletries and other medical goods can be purchased.
  2. 3. lying within or administered by way of the nasal structures.
  3. 4. existing or carried on between states, especially the US.
  4. 5. existing or taking place within, or administered into, a vein or veins.
  5. 6. located or occurring within a cell or cells.
  6. 9. lie, sit, or stand in a relaxed or lazy way.
  7. 11. composed for or sung by a choir or chorus.
  8. 12. he fleshy muscular organ in the mouth of a mammal, used for tasting, licking, swallowing, and (in humans) articulating speech.