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P-2 Life Processes in Living Organisms Part – 1 — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-2 Life Processes in Living Organisms Part – 13 Marks
Question
CASE STUDY : What is respiration? How does it occur?
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Answer

(i) The process of release of energy by oxidation of food is called as respiration.
(ii) In living organisms, respiration occurs at two levels - body and cellular level.
(iii) In case of body level, oxygen and carbon dioxide are exchanged between the body and surrounding.
(iv) In case of cellular level, food is oxidized either with or without the help of oxygen to release energy.

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