Question

difference between external and internal respiration​

Answer 1

Internal respiration is the transfer of gas between the blood and cells. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. Exchange of gases both in and out of the blood occurs simultaneously.

Answer 2

$\huge\mathfrak\red{External\:Respiration}$

• External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air.

• Exchange of gases both in and out of the blood occurs simultaneously.

• External respiration is the exchange of gases between the alveoli and lung capillaries.

• Oxygen diffuses from the alveoli into the blood, while carbon dioxide moves from the blood in the alveoli.

$\huge\mathfrak\purple{Internal\:Respiration}$

• Internal respiration, in contrast, is the exchange of gases in body tissues.

• Internal respiration is considered an active process as it needs a constant supply of energy for it to produce energy itself.

• Internal respiration is the transfer of gas between the blood and cells.

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