Cellular respiration is necessary to provide energy for cellular processes – repair and maintenance of cells, growth and cell division, active transport of substances across cell membranes and preventing disease.

• Cellular respiration bioflix (YouTube, 4.28min)
• ATP and Respiration: Crash Course in Biology (YouTube, 13.25min)
• Cellular Respiration, Glycolysis, Krebs Cycle and electron transport 3D animation (YouTube, 6.01min)