The Digestive System Flashcards
What is digestion
It is the breaking down of food
What is absorption?
It is when the food passes into blood
What is assimilation
It is when the cells use food for energy
What is Egestion?
It’s getting rid if undigested food
What is physical digestion
Chewing eg teeth
Incisors - bite
Canines- tear
Molars and premolars- chew and grind
What is chemical digestion
Using enzymes to break down food
What is an enzyme
It is a protein that acts as a catalyst
What is a catalyst
It speeds up the breakdown of a substance
What is a substrate
It is the substance the enzyme works on
What is the product
It’s what is produced
What is the word equation of breakdown of substance into maltose
Starch and amylase produces maltose
What is word equation for breakdown of maltose into glucose
Maltose and amylase produces glucose
What is ingestion
It is the taking in of food
