THE DIGESTIVE SYSTEM
The digestive system THE DIGESTIVE SYSTEM: A marvel of biological architecture, the digestive system is an intricate network of interconnected processes that transform the food we eat into the essential nutrients our bodies need for nutrition, growth and energy production. This remarkable system contains numerous specialized mechanisms that work seamlessly together to break down complex food substances into simple components that can be effectively absorbed and utilized by the body. Essentially, the digestive process is a journey of change. It begins with a sensory experience of taste and smell that prompts the body to initiate food intake. This seemingly simple act, sets off an important and fascinating chain of events. For example, chewing is not a purely mechanical process. It is a carefully coordinated process that uses complex muscle movements to break down food into smaller particles, increasing surface area and facilitating subsequent digestion. When food enters...