An Digestive Tube Is Best Defined as ______

An digestive tube is best defined as ______.

A) the compartment in which an animal digests its food
B) a tube-shaped digestive compartment with either one or two openings
C) a tube-shaped digestive compartment that has two openings and through which food moves in one direction
D) a tubelike digestive compartment that has two openings and consists, at minimum, of a mouth, esophagus, stomach, intestine, and anus