science grade 4

The first stage of the journey of the food is called ______________________.

The second stage is _________________________.

The last stage of the digestive process is called ___________________________.

This is the movement of the muscles of the digestive organs that squeezes and pushes the food.

These are found on the surface of the tongue and are used for tasting the food.

These produce a digestive juice that moistens and softens the food in the mouth.

12cm long. muscular tube leading to the stomach

It is a passageway which feces or waste products move out of the body

Elastic bag shape organ, can become small or big depends on the food it contains

Chemical digestion happens when the food is mixed and digested with the help of digestive juices.