What 2 ways is food broken down?

Points to Remember

4 Digestion works by moving food through the gastrointestinal (GI) tract. 4 Digestion begins in the mouth with chewing and ends in the small intestine. 4 As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.

What are the three ways that food is broken down?

What is digestion?
  • Mechanical digestion — food is physically broken into smaller parts. For instance, by chewing.
  • Chemical digestion — food is broken down by acids and enzymes into its basic units.

What are food particles broken down by?

As food travels from your mouth into your digestive system, it’s broken down by digestive enzymes that turn it into smaller nutrients that your body can easily absorb. This breakdown is known as chemical digestion.

How the food particles digested step by step?

There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food. The mechanical breakdown of food occurs via muscular contractions called peristalsis and segmentation.

Where are food molecules broken down?

Digestion is the process where the large molecules in the food that we eat are broken down into smaller ones that we can use for energy or as building blocks. This is done in the digestive system by enzymes found in saliva, in stomach acid, in the small intestine, and in the large intestine.

What cell breaks down food?

Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.

What process involves breaking down of food into smaller particles mixed with digestive juices?

Digestion involves mixing food with digestive juices, moving it through the digestive tract, and breaking down large molecules of food into smaller molecules. Digestion begins in the mouth, when you chew and swallow, and is completed in the small intestine.

What are the 7 steps of digestion?

The digestive processes are ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and defecation. Some chemical digestion occurs in the mouth.