The Need for Cellular Respiration (A-level Biology)

The Need for Cellular Respiration

Respiration Provides Energy

Energy Requirements

We’ve seen that respiration is the process by which all cells synthesise ATP in order to meet the energy requirements of various life processes.

Plants, animals and microorganisms need to respire so that they have energy to carry out these life processes. 

Previously, we saw that energy is required for several processes in the body including:

  • Active transport
  • Exocytosis
  • Endocytosis
  • Anabolism
  • Cell division
  • Movement

The process of respiration also generates heat. This helps animals to maintain their core body temperature.

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