Question

What is the first part of the digestive system?

Answer 1

The Human Digestive System

1. The digestive system of the human body comprises a group of organs working together to convert food into energy for the body.
2. Anatomically, the digestive system is made up of the gastrointestinal tract, along with accessory organs such as the liver, pancreas and gallbladder.
3. The hollow organs that make up the gastrointestinal tract (GI tract) include the mouth, stomach, oesophagus, small intestine and large intestine that contains the rectum and anus.

Mouth

1. Food starts its journey from the mouth or the oral cavity.
2. There are many other organs that contribute to the digestion process, including teeth, salivary glands, and tongue.
3. Teeth are designed for mechanically grinding food particles into small pieces which are moistened with saliva before the tongue pushes the food into the pharynx.
4. Saliva also has an enzyme salivary amylase that breaks down starch in your food.