Excretory System

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them (6)
  2. 5. To eliminate urine (7)
  3. 7. A sample of matter in which substances in different phases are in equilibrium (6)
  4. 9. A compacted or sessile cyme (9)
  5. 10. Separation of substances in solution by means of their unequal diffusion through semipermeable (8)
  6. 12. Any of the minute blood vessels connecting arterioles with venules (plural) (11)
  7. 13. Any of the ___ in the skin that secrete perspiration (plural) (11)
  8. 14. The discharge of urine (11)
  9. 16. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has (plural) (8)

Down

  1. 1. A depression or fissure where vessels or nerves or ducts enter a bodily organ (5)
  2. 3. Of or relating to the process of ___ (9)
  3. 4. The tissue forming the outer layer of an organ or structure in plant or animal (6)
  4. 6. A small intertwined group of capillaries in the malpighian body (10)
  5. 8. Lower or hindmost part of the brain (7)
  6. 11. An ___ originating from the abdominal aorta and supplying the kidneys and adrenal glands (11)
  7. 15. Any of the small tubules that are the excretory units of the vertebrate kidney (7)