What is respiration? How does it occurs?
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2
Answer:
it is a method of breathing in biology
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Answer:
Explanation:
(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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