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Answer:
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Explanation:
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1A) There are 2 ways:-
• Anaerobic Respiration.
The anaerobic respiration process takes place in the absence of oxygen.
• Aerobic Respiration.
In aerobic respiration, breakdown of pyruvate takes place in the presence of oxygen to give rise to 3 molecules of carbon dioxide and water.
2A) Oxygen is transported from lungs to body cells in the form of oxyhemoglobin . the main 2 gases exchanged are 02 & C02 . 02 is absorbed by blood capillaries from lungs alveoli by diffusion while C02 is absorbed by blood alveoli from blood capillaries by diffusion.
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