separates respiratory system and the digestive system.

Ribs

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Diaphragm

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Abdomen

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Solution

The correct option is B Diaphragm
Diaphragm is a thin muscular sheet at the base of chest. It contracts and relaxes with respect to inhalation and exhalation. Diaphragm separates chest from abdomen and thus separating respiratory and digestive system.

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Similar questions

Draw a labelled diagram.

(a) Respiratory system

(b) Digestive system.

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