Digestive system is the system of orgas responsible for getting food into and organs the out of the body and for making use of food to keep the body healthy.
Explanation of ingestion, absorption, assimilation, and excretion
Digestive System
Physical Digestion is the mechanical breakdown of food into smaller particles
Chemical Digestion is the breakdown of the complex molecules, such as proteins, starch, and fats contained in the food, into simple, soluble molecules
Human Digestive System
Feeding/Ingestion- the intake of food into the body
Digestion- mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a bloodstream
Peristalsis- rhythmic, wave-like contractions of the wall of the gut
Gastric Juice- is a dilute hydrochloric acid and the enzymes pepsin, an active enzymes secreted by the chief cells of the gastric glands
Chyme- the semifluid mass of partly digested food expelled by the stomach
Bile a bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption and digestion, especially of fats
emulsification breaking up of large fat particles into smaller ones
Egestion/defecation or bowel movement- process of removing undigested matter from the body
Summarization. Function of each organ of the digestive system
Assimilation is the process of transport and use of absorbed nutrients