HSB-EXCREATION

• WHAT IS EXCREATION?


  The removal of toxic materials and the waste products from metabolism from an organism
• WHAT IS EXCREATION?


  The removal of metabolic waste from the body
• WHAT IS EGESTION?

  The removal of waste food that has not been absorbed into the body.
• What do Lungs excrete?

  Carbon dioxide, water vapor which is expired air
• What do Kidneys excrete?

  urea, water, salts which is known as urine
• What does Skin excrete?

  water, salts, traces of urea which is known as sweat
• What does the Alimentary Canal excrete?

  bile, mucus, salts, water (metabolic) also known as faeces
• What does the Liver excrete?

  nitrogen in the form of urea also known as urine
• Where is urine formed

  Urine is formed in the kidneys tubules or nephrons