Digestion Flashcards
What is ingestion?
The taking in of food into the alimentary canal
What is digestion?
The process by which food is broken down from complex insoluble food into simple soluble substances that can be used by the body.
What is mechanical digestion?
The breaking up of large pieces of food into smaller pieces.
Why is mechanical digestion important?
It makes chemical digestion quicker and easier and it makes food easier to swallow as mechanical digestion begins in the mouth.
What is chemical digestion?
The breaking up of insoluble food molecules into soluble ones.
What are enzymes?
Enzymes are biological catalysts that speed up chemical reactions in living things.
What is mastication?
The grinding up of food in the mouth
What is in the alimentary canal in order?
Lips, Mouth, Teeth, Epiglottis, Salivary Gland, tongue, oesophagus, liver, stomach, duodenum, gall-bladder, pancreas, ileum, colon, rectum, anus.
What is the sentence to remember the alimentary canal?
Let me tell Ethan something terrible occurred last Sunday de game played if Ciara really asks
What are enzymes and the purpose of enzymes?
They are proteins that kickstart and accelerate chemical reaction in cells
What do enzymes do to the activation energy required for reactions to occur?
It lowers the activation energy required for reactions, making them more efficient
What happens in a chemical reaction?
In a chemical reaction, reactants interact to form a product
What would happen to essential processes without enzymes?
Without enzymes processes like digestion and nerve impulse processing would be too slow
What do enzymes break down?
Enzymes break down carbohydrates, proteins and fats in digestion
What does amylase break down?
Carbohydrates, like starch are broken down by amylase into smaller sugars
