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# Cellular Respiration **Summary** The purpose of cellular respiration is to release energy from glucose producing ATP. The process is done by all living organisms, and the process occurs in the mitochondria. The energy is stored in chemical bonds of food like glucose. Glucose is the initial sour...

# Cellular Respiration **Summary** The purpose of cellular respiration is to release energy from glucose producing ATP. The process is done by all living organisms, and the process occurs in the mitochondria. The energy is stored in chemical bonds of food like glucose. Glucose is the initial source of energy for the cells. **Cell Organelles and Body Systems Involved** | Organelle | Digestive System | Respiratory System | Circulatory System | |-------------------|------------------------|-----------------------|------------------------| | Mitochondria | Breaks down food into tiny molecules that enter the process to create ATP.| Brings oxygen into the body. | Transports blood and delivers reactants and removes products. | | Nucleus | Tells when to perform cellular respiration. | | | | Cell Membrane | Controls the entering and removal of reactants and products. | | | | Cytoplasm | The process of splitting glucose into smaller molecules to enter the mitochondria. | | | **Cellular Respiration Formula** * **Formula in words:** Glucose + Oxygen → Carbon Dioxide + Water + ATP * **Formula in chemical equations:** $C_{6}H_{12}O_{6} + 0_{2} \rightarrow 6CO_{2} + 6H_{2}O + ATP$ **Reactants and Products** | Reactants | Products | |---------------------------|--------------------------| | Glucose ($C_{6}H_{12}O_{6}$) | Carbon Dioxide ($CO_{2}$) | | Oxygen ($O_{2}$) | Water ($H_{2}O$) | | | ATP | **Picture or Process Description** A simple drawing of a person with arrows illustrating the intake of oxygen into the lungs and the release of carbon dioxide. A diagram showing Glucose and Oxygen entering a mitochondrion, and CO2 and Water exiting it.