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EXCRETION (Composition of urine (Average (water (96g), mineral salts (1…

- - - - this provides the main force required for the filtration process
    - - has very small pores that allow only water and very small molecules to pass through
- - - - Structure
        
        Cortex
        
        Medulla
        
        Renal pyramid
        
        Renal pelvis
        
        Fibrous capsule
        
        Radial stripe
        
        Nephron
        
        Glomelurus
        
        Proximal convoluted tubule
        
        Bowman"s capsule
        
        Loop of Henle
        
        Distal convoluted tubule
        
        Collecting duct
      - Importance
        
        Excretes metabolic waste products
        
        Osmoregulators
        
        Help to maintain a constant water potential in the blood
        
        regulate water and solute concentration
        
        large intake of water
        
        water potential in blood increases
        
        less ADH produced
        
        1 more item...
        
        loss of water
        
        water potential in blood decreases
        
        more ADH produced
        
        1 more item...
      - Kidney failure
        
        causes
        
        high blood pressure
        
        alcohol abuse
        
        diabetes
        
        severe accidents
        
        complications from undergoing major surgery
        
        what should be done?
        
        kidney transplant
        
        dialysis
        
        dialysis fluid
        
        does not contain metabolic waste
        
        flows in the opposite direction as blood
        
        contains same concentration of essential substances as healthy blood
- - - - Produced by the hypothalamus and released by the pituitary gland