The Urinary System

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  • The Urinary System
    • Kidney
      • Renal Artery
        • Carries blood into kidney
      • Renal Vein
        • Filtered blood routed away from kidney
      • Collecting ducts
        • Ureter
          • Urinary Bladder
            • Bladder
              • Urethra
                • Urine leaves bladder through this tube
                • Opens to outside
                • Females - just in front of vagina
                • Males - tip of penis
                • 2 sphincter muscles control flow of urine from bladder to urethre
                  • Bladder
                    • Urethra
                      • Urine leaves bladder through this tube
                      • Opens to outside
                      • Females - just in front of vagina
                      • Males - tip of penis
                      • 2 sphincter muscles control flow of urine from bladder to urethre
                        • Bladder ful = sphincter relax = smooth muscles of bladder contract = urine forced to exterior
                  • Bladder ful = sphincter relax = smooth muscles of bladder contract = urine forced to exterior
              • Urine travels from renal pencils through ureter to this bladder
              • Storage sac located outside the kidneys
          • Urine leaving the individual nephrons are processed further
        • Renal Pelvis
          • Ureter
            • Urinary Bladder
              • Urine travels from renal pencils through ureter to this bladder
              • Storage sac located outside the kidneys
          • Urine drains into this central cavity  in kidney

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