explain explain the process explain the process of breathing and describe the parts involved in it
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breathing is a process in which exchange of gases like co2 is released and o2 is taken .
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the food has stored energy,which is released during respiration. all living organisms respire to get energy from food. the taking in of air rich in oxygen is inhalation and giving out air rich in co2
is exhalation.when we inhale air,it passes through our nostrils into the nasal cavity.from the nasal cavity,the air reaches our lungs through the windpipe.lungs are present in the chest cavity.
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