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Question
Which of the following does not respire through lungs?
Which of the following does not respire through lungs?
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Solution
The correct option is D Leech
Leeches do not maintain any specific respiratory organ, they do not have a definite respiratory system. Like earthworms, leeches exchange gases, oxygen, and carbon dioxide through the epidermis. Dog and whale respire through lungs. When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air. A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.
Leech
Leeches do not maintain any specific respiratory organ, they do not have a definite respiratory system. Like earthworms, leeches exchange gases, oxygen, and carbon dioxide through the epidermis. Dog and whale respire through lungs. When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air. A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.
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