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Excretion (In Humans (Human Urinary System (Ureter (Narrow Tube, Connects…

- - - - Through expired air, excretes
        
        Carbon Dioxide
        
        Water
    - - In Sweat, excretes
        
        Urea
        
        Excess Water & : Salt
    - - In Urine, excretes
        
        Urea
        
        Excess Water& salt
    - - Through faeces in intestines, excretes
        
        Bile Pigments
  - - - Hilus
        
        Concave depression
        
        Renal vein, renal artery and nerves are connected here
    - - Narrow Tube
      - Connects kidney to urinary bladder
      - Urine passes through it
    - - Elastic muscular bag
      - In front of rectum
      - Stores Urine
    - - Duct where urine passes from bladder to outside of body
    - - Controls urination
      - Bottom of bladder
      - Brain sends nerve impulses that causes it to relax for urine to flow
  - - - Inner pale red region
      - Where renal pyramids are located
    - - Where the renal pyramids project into
      - Enlarged portion of ureter inside kidney
    - - Outer dark red region
      - Fibrous capsule
    - - Conical structures
      - About 12-16 in each kidney
      - Contains kidney tubules or nephrons
  - - - U-shaped portion of the tubule
    - - where the tubule enters the cortex again
    - - short coiled tube which straightens out as it passes into the medulla
    - - runs through the medulla and opens in the renal pelvis
    - - Where the nephron begins as a cup-like structure
  - - - arterioles branches into a mass of blood (glomerulus) capillaries in the bowman's capsule. The bowman's capsule with the glomerulus is called the renal corpuscle or malpighian corpuscle
        
        blood leaving the glomerulus enters the blood capillaries surrounding the nephron
        
        these blood capillaries then unite to form venules, which in turn join to form a branch of the renal vein
- - - - most of the mineral salts and in a healthy person, all of the glucose and amino acids are reabsorbed via diffusion and active transport
    - - water in the filtrate is reabsorbed by osmosis
    - - water is reabsorbed
    - - some water and mineral salts are reabsorbed
    - - water is reabsorbed
  - - - 96 g
    - - 2 g
    - - 1.8 g
    - - 0.2 g