Urinary System

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Across
  1. 3. this hormone must be present to concentrate urine
  2. 5. hormone that stimulates bones to produce more red blood cells
  3. 7. most abundant cation in the extracellular fluid
  4. 8. the complex system of hormones activated when low blood pressure is sensed by the kidneys to regain fluid balance and homeostasis
  5. 9. substance that works to prevent sharp changes in PH by accepting Hydrogen ions
Down
  1. 1. hormone that works in the kidneys to reabsorb sodium and water
  2. 2. cation responsible for muscle contraction and bone formation
  3. 4. most abundant cation in the intracellular fluid
  4. 6. organ that senses low blood pressure and initiates signals that will increase retention of fluids and sodium