ANATOMY

Detailed explanation-1: -The correct order in which food passes through alimentary canal is: Mouth, pharynx, esophagus, stomach, small intestine, large intestine, anus.

Detailed explanation-2: -Figure 2: The digestive processes are ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and defecation.

Detailed explanation-3: -There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food.

Detailed explanation-4: -As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body.