EVERYDAY SCIENCE

Detailed explanation-1: -The digestive system includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus. It also includes the salivary glands, liver, gallbladder, and pancreas, which make digestive juices and enzymes that help the body digest food and liquids.

Detailed explanation-2: -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.

Detailed explanation-3: -Some examples of organ systems and their functions include the digestive system, the cardiovascular system, and the musculoskeletal system.

Detailed explanation-4: -The digestive system is an example of an organ system in which several organs work together to digest and absorb food. Large food molecules need to be broken down into smaller ones to be absorbed by the villi in the small intestine.

Detailed explanation-5: -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.