Organ inside the body for digesting food

The Pancreas digests food.

OK so the pancreas and the liver produce digestive juices that break dowqn the food for nutrients the answer will be Pancreas 

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath.