Ipa alimentary jẹ ọrọ iṣoogun fun gbogbo ọna ti ounjẹ n rin nipasẹ ara, lati ẹnu si anus. O pẹlu ẹnu, esophagus, ikun, ifun kekere, ifun nla, rectum, ati anus. Ibi alimentary jẹ lodidi fun tito nkan lẹsẹsẹ ati gbigba awọn ounjẹ lati inu ounjẹ ti a jẹ, ati fun imukuro awọn ọja egbin.
