Ownclasses
How does respiration fulfil the energy requirement of an organism ?
Answer

During respiration food is oxidized and CO2 , H2O and energy are produced. The energy produced is stored in ATP molecules in mitochondria. Whenever energy is required it is released by ATP molecules.

C6H12O6 + 6O2 → 6CO2 + 6H2O + 684 K Cal