X - Oesophageal sphincter, Y - Intestinal sphincter
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B
X - Sphincter, Y - Smooth muscle
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C
X - Oesophageal sphincter, Y - Pyloric sphincter
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D
X - Pyloric sphincter, Y - Oesophageal sphincter
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Solution
The correct option is C X - Oesophageal sphincter, Y - Pyloric sphincter X and Y are oesophageal sphincter and pyloric sphincter respectively. Both the oesophageal and pyloric sphincter muscles help in regulated entry and exit of food in the stomach.