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6. Why is respiration considered an exothermic reaction?

  • More energy is given out instead of taken in
  • Energy from the reaction is transferred to the surroundings
  • It takes in energy to make energy go out
  • Energy is created outside the object

7. If insufficient oxygen is supplied during aerobic respiration then...

  • The breathing rate becomes abnormally high
  • Anaerobic respiration takes place
  • We become instantly tired and out of breath
  • The body shuts down

8. Urine is made by...

  • Respiration
  • Removing the urea from blood and make a watery solution
  • Protein consumption
  • Breaking the urea down until it can't be broken down anymore