Digestion Flashcards
Ingestion
Food is taken in by the body
Digestion
Food is broken down
Absorption
Digested food passes through bloodstream
Assimilation
Using food in the cells of the body
Elimination
Getting rid of indigested food
Enzymes
Are chemical that speed up reactions without being used up in the reaction
Enzymes act on a substrate and breaks it down into a product
Involves use of chemicals called enzymes to break down the food
Amylase
In mouth
Most chemical digestion happens in the
Small intestine
Bile
Made In liver to break down fats
Pancreas
Makes digestive juices which contain enzymes
Physical digestion
Happens in the mouth with the teeth and in the stomach with churning
Oesophagus
brings food from mouth to stomach
Rectum
Stores undigested food
Anus
Stores undigested food
Large ingestine
Water reabsorption