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The correct sequence of respiration is
i) Breathing in oxygen
ii) Transportation of gases by the blood
iii) Diffusion of gases between blood and tissues
iv) Diffusion of gases across alveolar membrane
v) Using of oxygen and releasing of carbondioxide
  • a)
    i), ii), iii), iv), v)
  • b)
    i), iv), ii), iii), v)
  • c)
    i), ii), iv), iii)
  • d)
    i), iii), iv), ii), v)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The correct sequence of respiration isi) Breathing in oxygenii) Transp...
Respiration is the process by which living organisms exchange gases with the environment. The correct sequence of respiration is as follows:

i) Breathing in oxygen
ii) Diffusion of gases across alveolar membrane
iii) Transportation of gases by the blood
iv) Diffusion of gases between blood and tissues
v) Using of oxygen and releasing of carbon dioxide

Explanation:

i) Breathing in oxygen: The process of respiration begins with the inhalation of air which contains oxygen. The air enters the body through the nostrils and mouth and travels down the trachea to reach the lungs.

ii) Diffusion of gases across alveolar membrane: In the lungs, oxygen diffuses across the alveolar membrane and enters the bloodstream. At the same time, carbon dioxide from the blood diffuses across the alveolar membrane and enters the lungs to be exhaled.

iii) Transportation of gases by the blood: The oxygen-rich blood is transported by the circulatory system to all parts of the body where it is needed for cellular respiration. The carbon dioxide produced by cellular respiration is transported back to the lungs by the blood to be exhaled.

iv) Diffusion of gases between blood and tissues: In the tissues, oxygen diffuses from the blood into the cells, while carbon dioxide diffuses from the cells into the blood.

v) Using of oxygen and releasing of carbon dioxide: Inside the cells, oxygen is used in cellular respiration to produce energy, while carbon dioxide is produced as a waste product. This carbon dioxide is transported back to the lungs to be exhaled, and the process of respiration starts again.

Therefore, the correct sequence of respiration is i) Breathing in oxygen, ii) Diffusion of gases across alveolar membrane, iii) Transportation of gases by the blood, iv) Diffusion of gases between blood and tissues, and v) Using of oxygen and releasing of carbon dioxide.
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Community Answer
The correct sequence of respiration isi) Breathing in oxygenii) Transp...
First of all to breathe we need oxygen hence (1)

this oxygen passes to lungs in alveolae for exchanging of oxygen and carbon dioxide

then it passes to the blood which provides to all parts

blood transport it to tissues which they use to regenerate cells

then the oxygen are used and carbon diocide is removed from the body
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The correct sequence of respiration isi) Breathing in oxygenii) Transportation of gases by the bloodiii) Diffusion of gases between blood and tissuesiv) Diffusion of gases across alveolar membranev) Using of oxygen and releasing of carbondioxidea)i), ii), iii), iv), v)b)i), iv), ii), iii), v)c)i), ii), iv), iii)d)i), iii), iv), ii), v)Correct answer is option 'B'. Can you explain this answer?
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