HUMAN NUTRITION

Detailed explanation-1: -The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria.

Detailed explanation-2: -Chewing and the churning motions in your stomach are the main forces involved in this process. Chemical digestion. This is the process where complex molecules like proteins, fats, and carbohydrates are broken down into smaller pieces that your body can use. It requires special proteins called enzymes.

Detailed explanation-3: -Stomach acid allows you to digest protein, helps prevent you from developing infections and food poisoning, makes sure you’re absorbing vitamin B12 properly and signals the other digestive organs to release their juices and enzymes and muscular contractions that make digestion smooth and easy.