Respiration

(1) The respiration is a process in which living organism inhale oxygen and exhale carbon dioxide.

(2) The process of breakdown of food in the cell with the release of energy is called cellular respiration. It takes place in the cells of all organisms.

(3) The processes when breakdown of glucose occurs with the use of oxygen it is called aerobic respiration.

Breakdown of the food releases energy with the use of oxygen.

Glucose →carbon dioxide + water + energy

(4) The processes when breakdown of glucose occurs with out using oxygen it is called anaerobic respiration.

Breakdown of the food releases energy without using of oxygen.

Glucose →carbon dioxide + alcohol + energy

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