Excretion of Carbon Dioxide & Urea

Excretion of Carbon Dioxide & Urea

Excretion of Carbon Dioxide & Urea

• Excretion can be defined as follows:

The removal of the waste products of metabolism and other toxic material from the body

• Waste products of metabolism include:

  • Carbon dioxide

    • This is a waste product of respiration and is excreted via the lungs

  • Urea

    • Urea is produced in the liver during the breakdown of excess amino acids and is excreted via the kidneys

 Organs involved in excretion of urea and CO₂ diagram

The lungs, liver and kidneys are involved in excretion