Response to exercise and metabolism

• why does the body require increased demand for energy when excersung ?

  • Increased HR - more oxygenated blood to the body and msucles - heart is contracting quicker
  • Increased BR to intake more oxygen and flush out more CO2
• Know oxygen debt and lactic acid (already know from PE)
• What is metabolism


  • all the chemical reactions that go on inside an organism's body
  • In order to stay alive
• What are some examples of metabolism

  • conversion of glucose to starch, glycogen and cellulose
  • glucose is used to form Nitrate ions, becoming amino acids for protein synthesis