InterviewSolution
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Life Processes: Respiration |
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Answer» a process by which living things produce energy from food. Respiration usually needs oxygen The physiological definition of respiration differs from the biochemical definition, which refers to a metabolic process by which an organism obtains energy (in the form ofATP) byoxidizingnutrients and releasing waste products. Although physiologic respiration is necessary to sustain cellular respiration and thus life in animals, the processes are distinct: cellular respiration takes place in individual cells of the organism, while physiologic respiration concerns thediffusionand transport of metabolites between the organism and the external environment. |
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