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What is digestion?
Breaking food into small molecules
Why do we need to digest food?
So the body can use it
What is the digestive system also called?
Alimentary canal
What is the alimentary canal?
A long tube food travels through
Where does digestion begin?
Mouth
What is the function of teeth in digestion?
Break food into smaller pieces
What is saliva?
A liquid in the mouth
What does saliva help with?
Making food easier to swallow
What type of digestion starts in the mouth?
Mechanical and chemical
What is peristalsis?
Muscles pushing food along
What is the role of peristalsis?
Move food through the gut
Which organ mixes food with acid and enzymes?
Stomach
What does the stomach mainly break down?
Protein
What helps digestion in the stomach?
Acid and enzymes
Where are nutrients absorbed into the blood?
Small intestine
What is the main function of the small intestine?
Absorb nutrients
