Patent Ductus Arteriosus

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Red liquid pumped around the body by the heart (5)
  2. 3. A document granting an inventor sole rights to an invention (6)
  3. 6. Movement through a ___ (11)
  4. 8. Care provided to improve a situation (9)
  5. 11. A blood vessel that carries blood from the heart to the body (plural) (8)
  6. 12. Either of two saclike respiratory organs in the chest of vertebrates (plural) (5)
  7. 13. Force pushing on something (8)
  8. 14. A perceptible indication of something not immediately apparent (4)

Down

  1. 1. The event of being born (5)
  2. 2. Organ that pumps blood around the body (5)
  3. 3. Born after a gestation period of less than the normal time (9)
  4. 4. The branch of biology that studies heredity and variation in organisms (8)
  5. 5. Identifying the nature or cause of some phenomenon (9)
  6. 7. A blood vessel that carries blood from the capillaries toward the heart (plural) (5)
  7. 9. A structure in a hollow organ with a flap to insure one-way flow of fluid through it (plural) (6)
  8. 10. An unborn or unhatched vertebrate in the later stages of development showing the main recognizable (5)