Digestion Flashcards
Ingestion / eating
Food is taken in by the body
Digestion
Food is broken down
Absorption
Digested food passes into the bloodstream
Assimilation
Using the food in the cells of the body
Elimination
Getting rid of undigested food
Enzymes
~Enzymes are chemicals that speed up reactions without being used up in the reaction
~ Enzymes act on a substrate and breaks down into a product
example:
Substrate = starch,
Enzyme = amylase ( saliva )
Product = maltose ( sugar )
Most chemical digestion happens in….
The small intestine
Bile
Made in liver to break down fats
Pancreas makes…
Digestive juices which contains enzymes
Physical digestion
Taking large pieces of food and breaking them down into smaller pieces.
Happens in the:
~ mouth ( teeth )
~ stomach ( churning )
Mouth
Physical and chemical digestion
Oesophagus
Brings food from mouth to stomach
Liver
Makes bike
Stomach
Physical and chemical digestion
Pancreas
Makes digestive juices
Small intestine
Most chemical digestion
Large intestine
Water reabsorption
Rectum
Stores undigested food
Anus
Undigested food passes out
Gall bladder
Storage of bile
Canine
Grasping and tearing
Pre-molar
Grinding and crushing
Molar
Grinding and crushing
Incisor
Biting and cutting
