DIGESTION Flashcards
INGESTION/EATING
food is taken in by the body
DIGESTION
food is broken down
ABSORPTION
digested food passes into the blood stream
ASSIMILATION
using the food in the cells of the body
ELIMINATION
getting rid of undirected food
ENZYMES
enzymes are chemicals that speed up reactions without being used up in the reaction.
enzymes act on a substrate and breaks it down into a product.
examples:substrate=starch,enzyme=amylase (saliva),product=maltose (sugar)
WHERE DOESS MOST DIGESTION HAPPEN?
most digestion happens in the small intestine
WHAT IS BILE?
bile is made is=n the liver to break down fats
WHAT DOES THE PANCREAS MAKE?
the pancreas makes digestive juices which contain enzymes
PHYSICAL DIGESTION
taking large pieces of food and breaking them down into smaller pieces.
it happens in the mouth (teeth) and stomach (churning)
MOUTH
physical and chemical digestion
OESOPHAGUS
brings food from mouth to stomach
LIVER
makes bile
STOMACH
physical and chemical digestion
PANCREAS
makes digestive juices