Well technically speaking, going from the bottom up your small intestines and anus would measure rectum 5in (12.7cm)
anal canal 1.5in (2.8cm), sigmoid colon 15in (37.5cm), descending colon 10in (25cm), transverse colon 18in (45cm), ascending colon 5in (12.7cm)
A total of 54.5in or approx 138cm oh and a colonoscope measures 70.8in (180cm). Assuming......
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