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Earn 100

In Sponges and Jellyfish, gaseous exchange takes place
(a)Through cell membrane
(b)Through lungs
(c)Directly from surrounding water
(d)Through skin

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Important Questions on Human Respiration
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Flatworms ________ for gas exchange.

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_______ use their outer surfaces for gaseous exchange.

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Some arthropods and annelids use _______ for respiration.

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In amphibians, gaseous exchange take place through

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Frogs eliminate carbon dioxide _______ times faster through their skin as they do through their lungs.

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Eel obtains _______ of its oxygen through skin.

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Humans exchange only 1% of their carbon dioxide through their _______.

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________ is known as windpipe.
