NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology Human Physiology-Breathing and Respiration Revision (Page 1 of 12)

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Respiration & exchange of Gases

  • Respirationis the process by which oxygen enters in the body and carbon dioxide is removed. Oxygen is used for the oxidation of food substances in the tissue to generate energy for carrying out various functions by the organism during the process carbon dioxide and water are formed.
  • Thus during respiration is oxygen is used and heat is generated in the tissues, during burning also oxygen is used and heat is generated but two processes are entirely different

Comparison between Combustion (Burning) and respiration

Comparison between Combustion (Burning) and respiration

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Breathing and respiration

Breathing is the act of inhaling and exhaling air.

Respiration is interchange of gases between an organism and the medium in which it lives.

Comparison between Breathing and respiration: compared

Comparison between Breathing and respiration: compared

Sn.

Breathing

Respiration

1.

Is simple intake of fresh air and removal of foul air

Is oxidation of food to form CO2, water and energy

2.

It is a physical process

It is a biochemical process

3.

No energy is released

Energy is released in the form of ATP

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