Question: What Are The Main Functions Of The Digestive System Quizlet?

What are the 4 stages of digestion?

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..

What are the two main types of digestion?

Digestion is a form of catabolism or breaking down of substances that involves two separate processes: mechanical digestion and chemical digestion. Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion.

What are the five major functions of the digestive system?

Ingestion.Secretion.Mixing and Movement.Digestion.Absorption.Excretion.

What are the 10 organs of the digestive system?

The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus. Helping them along the way are the pancreas, gall bladder and liver.

What are the major organs of the digestive system and their functions?

The digestive processOrganMovementFood Particles Broken DownStomachUpper muscle in stomach relaxes to let food enter, and lower muscle mixes food with digestive juiceProteinsSmall intestinePeristalsisStarches, proteins, and carbohydratesPancreasNoneCarbohydrates, fats, and proteinsLiverNoneFats3 more rows

What are the 6 steps of digestion?

Digestive Processes The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation.

What are the four main functions of the stomach?

The core function of the human stomach is as an aid to diges- tion. The four key components of gastric digestive function are its function as a reservoir, acid secretion, enzyme secre- tion and its role in gastrointestinal motility.

What is the process of digestion step by step?

Your digestive system, from beginning … to endStep 1: Mouth. To more easily absorb different foods, your saliva helps break down what you’re eating and turn it into chemicals called enzymes.Step 2: Esophagus. … Step 3: Stomach. … Step 4: Small Intestine. … Step 5: Large Intestine, Colon, Rectum and Anus.

What is the main functions of the digestive system?

The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.

What are 3 main functions of the digestive system?

There are three main functions of the gastrointestinal tract, including transportation, digestion, and absorption of food.

What are the 6 major functions of the digestive system?

Chapter Review. The digestive system ingests and digests food, absorbs released nutrients, and excretes food components that are indigestible. The six activities involved in this process are ingestion, motility, mechanical digestion, chemical digestion, absorption, and defecation.