NEET Biology question

BiologyBreathing and Exchange of GasesNEET

Assertion: The dorsal respiratory group (DRG) present in the dorsal portion of medulla oblongata mainly causes expiration. Reason: The ventral respiratory group (VRG) on the ventrolateral part of medulla oblongata mainly controls inspiration.

Answer: (D)

Solution

The dorsal respiratory group of neurons actually causes inspiration (not expiration as the Assertion claims), making the Assertion false, and the ventral respiratory group can cause either inspiration or expiration

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Question ID VK-119385