Excretory Land

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 7. An ___ originating from the abdominal aorta and supplying the kidneys and adrenal glands (11)
  2. 9. Of or relating to the process of ___ (9)
  3. 10. Either of two saclike respiratory organs in the chest of vertebrates (plural) (5)

Down

  1. 1. A distensible membranous sac (7)
  2. 2. Any of the small tubules that are the excretory units of the vertebrate kidney (7)
  3. 3. A mechanical device in a camera that controls size of aperture of the lens (9)
  4. 4. Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them (6)
  5. 5. The structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs (6)
  6. 6. A sample of matter in which substances in different phases are in equilibrium (plural) (7)
  7. 8. Liquid excretory product (5)