Human Digestive System Flashcards
What are the 4 types of nutrients?
Fats, carbohydrates, protein, mineral salts and vitamins.
What are the 2 types of digestion that happens in the mouth?
Physical and chemical digestion
What is the chemical digestion that takes place in the mouth?
Starch is chemically digested into simpler substances by carbohydrases.
How does physical digestion occur in the mouth?
The teeth chews on food making it into a smaller substance.
Does physical digestion occur in the gullet?
No, only the chemical digestion does.
What type of chemical digestion occurs in the gullet?
Carbohydrates broken down by an enzyme, carbohydrases helps with chemical digestion.
How does physical digestion occur in the mouth?
The teeth chews on food making it into a smaller substance.
Does fat and protein get chemically digested in the mouth?
No, only carbohydrates does.
What nutrient gets chemically digested by the stomach?
Protein only
How does physical digestion occur in the mouth?
The teeth chews on food making it into a smaller substance.
Which enzymes digests proteins?
Proteases.
Where can proteases be found?
In gastric juices in the stomach
Where does all 3 nutrients gets chemically digested in the digestive system?
In the small intestine.
What are the 3 type of enzymes?
Proteases digest protein.
Lipases digest fats.
Carbohydrases digest carbohydrates.
How does physical digestion occur in the mouth?
The teeth chews on food making it into a smaller substance.
