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Urinary System - Coggle Diagram

- - - - mucosa layer
      - submucosa layer
      - muscularis layer
    - - two ureters enter the bladder at the urethras orifices, and the urethra enters at the trigone of the bladder
  - - - 2 sphincters:
        
        Internal- voluntary smooth muscle
        
        external- voluntary skeletal muscle
  - - - nephrons located here
    - - collect and direct urine to ureter
    - - made of renal pyramids or collecting ducts and remaining nephrons
- - - - filtrate is collected in glomerular capsule and then enters into the renal tubule
  - - - ex. water, glucose, amino acids, ions
  - - - ex. hydrogen, creatine, and drugs
- - - - ex. toxins, drugs, nitrogenous waste
    - - 50% females
      - 60% males
    - - kidneys maintain balance by filtering electrolytes and water from the blood.
    - - glomerular filtrate of blood by the kidneys
        
        pH of urine ranges from 4.5-8
    - - ex. erythropoietin
        
        produced by the kidney and is vital for th production of red blood cells
- - - - when bladder exceeds 200-400ml it activates stretch receptors which send a nerve impulse to the lower spinal cord which trigger micturition reflex