Tag: Physical digestion

The human digestive tract is an estimated 30 feet long, and its primary purpose is to convert food into absorbable nutrients for the body. This incredible process is what is meant by breakdown of food, and it is a complex journey of mechanical and chemical alterations that happen throughout the gastrointestinal system.

The human body is like a complex machine, and it needs fuel to operate correctly. Digestion is the process that converts the food we eat into usable energy, a fascinating biological journey that every Class 7 student should understand.