The body Machine

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Support resembling the rib of an animal (plural) (4)
  2. 3. Grinding tooth with a broad crown (plural) (6)
  3. 5. A quantity that can assume any of a set of values (plural) (9)
  4. 9. A sharp bend in a road or river (5)
  5. 10. A blood vessel that carries blood from the capillaries toward the heart (plural) (5)
  6. 12. A blood vessel that carries blood from the heart to the body (plural) (8)
  7. 13. Either of two saclike respiratory organs in the chest of vertebrates (plural) (5)
  8. 14. An inquiry into unfamiliar or questionable activities (13)

Down

  1. 2. A tooth for cutting or gnawing (plural) (8)
  2. 3. Animal tissue consisting predominantly of contractile cells (plural) (7)
  3. 4. A sharp rigid animal process or appendage (5)
  4. 6. A ___ in which ___ circulates (plural) (12)
  5. 7. Red liquid pumped around the body by the heart (5)
  6. 8. Organ that pumps blood around the body (5)
  7. 11. Of or relating to ___ (11)
  8. 15. Gas in the air that we need to breathe (6)