Excretory system and osmoregulation - Test yourself

5 important questions on Excretory system and osmoregulation - Test yourself

Add the following labels to the diagram below of the urinary system of a mammal
    kidneybladderuretersurethrarenal artery and veincaudal vena cavasphincter

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These are functions of the kidney: (Circle 4)
a. breaking down damaged blood cellsb. controlling the concentration of water in the bloodc. Removing urea from the bloodd. Removing carbon dioxide from the bloode. Removing glucose from the bloodf. Keeping the blood at the right pH (acidity/alkalinity)g. Digesting foodh. Controlling the concentration of salts like sodium and potassium chloride in the blood

These are functions of the kidney
b. Controlling the concentration of water in the bloodc. Removing urea from the bloodf. Keeping the blood at the right pH (acidity/alkalinity)h. Controlling the concentration of salts like sodium and potassium chloride in the blood


Match the part of the kidney tubule with its function.
  • collecting duct
  • loop of Henle
  • distal convoluted tubule
  • glomerulus
  • proximal convoluted tubule
  • renal artery
  • Bowman’s capsule
  • Antidiuretic hormone or ADH.

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Circle the substances in the list below that are  NOT found in the fluid that has filtered through into the Bowman’s capsule of a healthy animal?
  • water
  • sodium chloride
  • red blood cells
  • glucose
  • amino acids
  • proteins
  • urea
  • white blood cells

  • Red blood cells
  • proteins
  • white blood cells

These are large and do not pass through the holes in the walls of the glomerulus and Bowman's capsule

Normally all the glucose filtered into the kidney tubule is absorbed further down the tubule. If glucose is found in the urine what might one suspect to be the cause?

Problems with production of insulin by the pancreas ie diabetes mellitus.

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