How We Get Oxygen

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A mechanical device that moves fluid or gas by pressure or suction (4)
  2. 7. Any of the minute blood vessels connecting arterioles with venules (plural) (11)
  3. 10. To draw air into, and expel out of, the lungs (7)
  4. 11. Conduit consisting of a long hollow object used to hold and conduct objects or liquids or gases (plural) (5)
  5. 12. The motion characteristic of fluids (4)
  6. 13. Gas in the air that we need to breathe (6)

Down

  1. 1. A joint between the distal end of the radius and the proximal row of carpal bones (5)
  2. 3. The rate at which the heart beats (5)
  3. 4. A government agency or instrument devoted to the performance of some specific function (plural) (6)
  4. 5. Organ that pumps blood around the body (5)
  5. 6. A blood vessel that carries blood from the capillaries toward the heart (plural) (5)
  6. 8. A blood vessel that carries blood from the heart to the body (plural) (8)
  7. 9. Either of two saclike respiratory organs in the chest of vertebrates (plural) (5)
  8. 10. Red liquid pumped around the body by the heart (5)