The digestive system is made up of key parts, each of which has a different function. Food passes through ... are also specialised structures called villi which have a tiny hair-like structure ...

As food and digestive juices ... Along with digestion, the villi also help protect the small intestine and play a role in ...

The digestive system is made up of key parts, each of which has a different function. Food passes through ... are also specialised structures called villi which have a tiny hair-like structure ...

The digestive system is the series of tubelike organs that ... fingerlike projections called villi, and transported to the liver. What's left in the digestive tract passes into the large intestine ...