The digestive system is made of a chain of muscles beginning with the mouth and ending with the back passage. The stomach receives food from the esophagus, mixes it, breaks it down and passes it on to the small intestine. From there most of the nutrients in the food enter the bloodstream. The rest is passed to the large intestine, which pushes it towards the anus, where the bowel is emptied.
The tongue is a true all-rounder. It is not only extremely flexible, allowing us to speak, swallow or suck in a coordinated way. It is also a sensory...
Our bodies get most of their energy from three groups of nutrients (known as “macronutrients”): carbohydrates, proteins and fats. They are called mac...
The liver is one of the largest organs in the body. It has many important metabolic functions. For example, it converts the nutrients in our diets in...
The gallbladder stores and concentrates bile from the liver. The bile then helps to digest and absorb fats from food in the duodenum, the first secti...
During a bowel movement, the indigestible parts of our food leave our body. Several parts of the end of the digestive tract control bowel movements: ...
