It is where digestion starts. It contains the teeth and the tongue.

They are in the mouth and cut and crush the food to make it smaller.

It is in the mouth and mixes the food with saliva.

They produce saliva.

It connects the mouth to the esophagus.

It is a long and flexible tube that contracts and relaxes to get food from the pharynx to the stomach.

It is a bag-shaped organ that produces gastric juices to break down food into nutrients.

It is a long, thin tube that produces intestinal juices. It is where the absorption of nutrients takes place.

They are the three parts in the small intestine.

It is a thick tube that absorbs water and produces feces with waste substances.

They are the tree parts in the large intestine.

It is a gland that produces bile.

It stores the bile.

It produces pancreatic juice.

It is a soft ball formed when food is mixed with saliva in the mouth.

It is a thick paste formed when the bolus is mixed with gastric juices in the stomach.

It is a thin paste formed when the chyme is mixed with pancreatic juice, intestinal juice and bile in the small intestine.

They are waste substances remaining after digestion and absorption. They are expelled through the anus.

It is a process by which the food is broken down into nutrients.

It is a process by which the nutrients go pass from the digestive system into the blood.

It is a process by which waste substances are expelled from the body.