The given figure shows a cross-section of the | vedclass

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(B) The wall of the alimentary canal consists of four layers: serosa,muscularis,submucosa,and mucosa.In the muscularis layer,the arrangement of smooth

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Circular muscle layer $\quad$ Longitudinal muscle layer

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(B) The wall of the alimentary canal consists of four layers: serosa,muscularis,submucosa,and mucosa.In the muscularis layer,the arrangement of smooth muscles is typically organized into an inner circular layer and an outer longitudinal layer.In the provided cross-section diagram,the inner layer labeled $P$ consists of fibers arranged in a circular pattern,representing the circular muscle layer.The outer layer labeled $Q$ consists of fibers arranged longitudinally (appearing as dots in cross-section),representing the longitudinal muscle layer.Therefore,$P$ is the circular muscle layer and $Q$ is the longitudinal muscle layer.

The given figure shows a cross-section of the alimentary canal. Identify the layers labeled $P$ and $Q$.

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