ANIMAL PHYSIOLOGY
EXCRETION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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kidney
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liver
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lung
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skin
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Detailed explanation-1: -Lungs are the respiratory organ, they help in removal of carbon dioxide from our body through the air that we respire. Carbon dioxide is formed during oxidation of food. It is the waste product and of no use of our body. It is carried out to the lungs by blood.
Detailed explanation-2: -CO2 is transported in the bloodstream to the lungs where it is ultimately removed from the body through exhalation.
Detailed explanation-3: -The oxygen-rich hemoglobin is transported throughout the body and the lungs exhale the carbon dioxide.
Detailed explanation-4: -The lungs in the respiratory system excrete some waste products, such as carbon dioxide and water. The skin is another excretory organ that rids the body of wastes through the sweat glands.