write about the Digestive system, its structure , types, functions ,disease with two diagrams5 pages single space with work cited in separate page.write everything about the Digestive system...

WRITTEN ASSIGNMENT        2
WRITTEN ASSIGNMENT
Table of contents
Introduction    3
Structure of the Digestive System    3
Types of Digestion    4
Mechanical Digestion    5
Chemical Digestion    5
Functions of the Digestive System    6
Common Digestive System Diseases    7
Diagrams    8
Diagram 1 : Structure of the Digestive System    9
Diagram 2: Digestive System Functions    9
Conclusion    9
References    11
Introduction
The digestive system in humans is an incredibly complex and vital part of our physiology. It is made up of an intricate web of organs and systems that work together to absorb, process, digest, and expel food so that the body gets the nourishment it needs to survive. This essay explores the digestive system's kinds, functions, anatomy, and prevalent illnesses. The system goes via the oesophagus, stomach, small intestine, liver, gallbladder, pancreas, large intestine, rectum, and anus after starting in the mouth, where mechanical and chemical digestion takes place. Chemical digestion uses digestive fluids and enzymes to break down food into absorbable nutrients, whereas mechanical digestion breaks down food physically. Ingestion, digestion, absorption, transportation, storage, and excretion are all included in the system's functioning. Regretfully, a number of illnesses, including GERD and IBS, can affect the digestive tract. It is essential to comprehend this intricate system in order to maintain good health, make educated food decisions, and handle medical issues.
Structure of the Digestive System
The intricate complexity of the digestive system aids in the digestion, absorption, and utilisation of the nutrients included in food. It consists of a number of tissues and organs that are related to one another and have distinct functions during the digestion process. An extensive synopsis of the digestive system's structure will be given in this section.
· Mouth: Food is first consumed in the mouth, where mechanical digestion starts when teeth sift food into smaller bits.
· Salivary Glands: The enzymes in the saliva secreted by these glands initiate the chemical breakdown of carbohydrates.
· Esophagus: The oesophagus is a muscular tube that, via a process known as peristalsis, carries chewed food to the stomach.
· Stomach: To break down proteins, food is combined with gastric secretions, which include enzymes and hydrochloric acid. Additionally, the stomach serves as a temporary storage space (Gill et al., 2021).
· Small Intestine: The majority of digestion and nutrient absorption takes place here. The duodenum, jejunum, and ileum are the three portions that make up the small intestine.
· Liver: Bile, which the liver generates, is necessary for the breakdown and absorption of fat.
· Gallbladder: The gallbladder holds the bile that the liver produces until it is required for digestion.
· Pancreas: Digestive enzymes produced by the pancreas are released into the small intestine to aid in the further breakdown of proteins, lipids, and carbohydrates.
· Large Intestine (Colon): The colon is in charge of excreting waste, generating faeces, and absorbing water and electrolytes from undigested meals (Elmentaite et al., 2021).
· Rectum and Anus: These are the last sections of the digestive system, where the body stores and gets rid of waste.
A network of blood arteries, muscles, and nerves that coordinate the digesting process connects the whole digestive system. Together, these elements make sure that food is broken down into smaller,...