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Ventrally and laterally, the thoracic chamber is formed by
(a)Diaphragm and sternum respectively
(b)Ribs and sternum respectively
(c)Sternum and ribs respectively
(d)Vertebral column and diaphragm respectively

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Important Questions on Breathing and Exchange of Gases
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Ring like cartilage of larynx is known as

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A pair of external nostrils present in humans opens out

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During inspiration, the volume of thoracic cavity increases because of

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Volume of thoracic chamber increases in anteroposterior and dorso-ventral axis in rabbit by
