Question

Define respiration and their types?​

Answer 1

Answer:

Inhalation and exahalation along with the breakdown of food is known as respiration. Its two types are-

1. Aerobic respiration -- When breakdown of food occurs with the help of oxygen

2. Anaerobic respiration -- When breakdown of food occurs without the help of oxygen

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Answer 2

Answer:

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Respiration

External respiration, demonstrating the difference between a normal and an obstructed airway. Encyclopaedia Britannica/UIG/Getty Images

By Regina Bailey

Updated August 20, 2019

Respiration is the process in which organisms exchange gases between their body cells and the environment. From prokaryotic bacteria and archaeans to eukaryotic protists, fungi, plants, and animals, all living organisms undergo respiration. Respiration may refer to any of the three elements of the process.

First, respiration may refer to external respiration or the process of breathing (inhalation and exhalation), also called ventilation. Secondly, respiration may refer to internal respiration, which is the diffusion of gases between body fluids (blood and interstitial fluid) and tissues. Finally, respiration may refer to the metabolic processes of converting the energy stored in biological molecules to usable energy in the form of ATP. This process may involve the consumption of oxygen and production of carbon dioxide, as seen in aerobic cellular respiration, or may not involve the consumption of oxygen, as in the case of anaerobic respiration.