Question

give reason why the undigested food has to be removed out of the body​

Answer 1

The passage of undigested food material from the body by way of the anus is called egestion. Egestion is the last step in the process of digestion in humans. The undigested food coming from the small intestine stays in the rectum and then passes out from the body via the anus

Answer 2

Answer:

The bodies need regular intake of food for following reasons :

•To product energy to allow as to breath

•Think

•Move

•To gorw