Another name for the alimentary canal? What is the role of villi in the alimentary canal? The role of the villi in the alimentary canal is to allow for a  greater surface area in which the absorption of nutrients can take  place. 7 people found this useful.
A person can survive only  three to five days without water, in some cases people have survived for an average of one week. It is not recommended that anyone try this at home. Once the body is deprived of fluids the cells and organs in the body begin to deteriorate.
Your body can go 3 minutes without air, 3 days without water, 3 months without food...u can go longer than 3 months but your body will start to corrupt and your system will no â¦ t be able to digest anything. http://wiki.answers.com/How_long_can_a_humen_survive_without_food#ixzz16l7LvVHA.our body can go 3 minutes without air, 3 days without water, 3 months without food...u can go longer than 3 months but your body will start to corrupt and your system will no â¦ t be able to digest anything. http://wiki.answers.com/How_long_can_a_humen_survive_without_food#ixzz16l7LvVHA.