HUMAN NUTRITION

Detailed explanation-1: -Ingestion is a process where food is taken in through the mouth and broken down by teeth and saliva. Ingestion is the first step in the process of digestion.

Detailed explanation-2: -The first step in this process is ingestion. Ingestion is the process of taking in food through the mouth. In vertebrates, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus).

Detailed explanation-3: -1. Ingestion: Ingestion is the process in which the food is taken inside the body through the mouth.

Detailed explanation-4: -Mouth. The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.

Detailed explanation-5: -Digestion is the process of mechanically and enzymatically breaking down food into substances for absorption into the bloodstream. The food contains three macronutrients that require digestion before they can be absorbed: fats, carbohydrates, and proteins.