2. O 2 CO 2 BREATHING Lungs CO 2 O 2 Bloodstream Muscle cells carrying out CELLULAR RESPIRATION Sugar + O 2 ATP + CO 2 + H 2 O Breathing and Cell Respiration are related Muscles get oxygen from breathing and sugar from food to produce energy during cellular respiration.
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5. Burning glucose in an experiment Energy released from glucose (as heat and light) 100% Energy released from glucose banked in ATP “ Burning” glucose in cellular respiration About 40% Gasoline energy converted to movement Burning gasoline in an auto engine 25% How efficient is cell respiration? energy released from glucose as heat and light = 100% if you burn glucose energy released from glucose stored in ATP = 40% burned during cellular respiration gas energy converted to movement 25% if burned in an auto engine
