Health Project

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A mechanical device in a camera that controls size of aperture of the lens (9)
  2. 4. A specialized bit of heart tissue that controls the heartbeat (9)
  3. 8. Hypersensitivity reaction to a particular ___ (7)
  4. 9. Mucus-secreting ___ lining all body cavities or passages that communicate with the exterior (14)
  5. 12. A chamber of the heart that receives blood from an atrium and pumps it to the arteries (9)
  6. 13. Any of the smallest ___ ducts (plural) (11)
  7. 14. A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion (6)
  8. 16. Respiratory disorder characterized by wheezing (6)

Down

  1. 1. Any of the minute blood vessels connecting arterioles with venules (plural) (11)
  2. 3. A common disorder in which blood pressure remains abnormally high (12)
  3. 5. Any chamber that is connected to other chambers or passageways (6)
  4. 6. A mature ___ ___ that contains hemoglobin to carry oxygen to the bodily tissues (plural) (13)
  5. 7. Tiny bits of protoplasm found in vertebrate blood (plural) (9)
  6. 10. A blood vessel that carries blood from the heart to the body (plural) (8)
  7. 11. One of the tubules forming the respiratory system of most insects and many arachnids (7)
  8. 15. A deficiency of red blood cells (6)