Excretory System Class Activity

123456789101112
Across
  1. 2. help purifies blood, involved in maintaining homeostasis
  2. 4. expands and stores the urine
  3. 10. increases surface area for reabsorption into the blood
  4. 11. tube that allows urine to pass outside the body
  5. 12. excretes co2 and is apart of the respiratory system as well
Down
  1. 1. processes and transports filtered fluid
  2. 3. Narrow tubes that transfer urine from the kidneys to the bladder
  3. 5. collects urine from glomerulus
  4. 6. protects our body from harmful external factors like bacteria
  5. 7. cluster of tiny blood vessels filter blood
  6. 8. surrounds the glomerulus
  7. 9. filters the blood and creates urea