3.6 How The Digestive System Works Flashcards
Why are digestive enzymes different from other enzymes
They work on the outside of cells instead of inside
Where are enzymes produced
In specialised cells in glands and in the lining of the digestive system
What is the digestive system?
A hollow, muscular tube that squeezes out your food
What is the pH inside the mouth and small intestine?
Slightly alkaline
What is the pH inside the stomach
pH 2 (acidic)
Which enzymes break down carbohydrates?
Carbohydrases
What is the most common carbohydrate that you eat?
Starch
Which enzyme catalyses the reaction breaking down carbohydrates?
Amylase
Where is amylase produced?
In the salivary glands and pancreas
Where is most starch digested?
In the small intestine
What does starch turn into after digestion?
Simple sugars (glucose)
What does protein turn into after digestion
Amino acids
Examples of protein
Meat, fish cheese
Where does the breakdown of protein take place
Stomach Small intestine
Where is protease produced
Stomach pancreas small intestine
