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Biology, 23.07.2020 09:01 Sprout7430

Consider A, B and C for oesophagus and choose option which have all correct statements for it ? A. It is a thin and long tube B. It extends anteriorly passing through neck thorax and diaphragm C. It's upper end have huge amount of longitudinal muscles so it remains closed normally only opens at the time of swallowing

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Consider A, B and C for oesophagus and choose option which have all correct statements for it ? A. I...

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