Flashcards in 2 Organisation - Digestive System Deck (69)
A group of cells with similar structure working together for a specific function
A group of tissues working together for specific functions
Reorder the following in increasing size order: Organ, cell, tissue, organ system, organism
Cell < Tissue < Organ < Organ system < Organism
State the function of the salivary glands.
Produce digestive enzymes (eg. Amylase)
Name the tube that carries food from the mouth to the stomach.
State the function of the stomach.
Releases digestive enzymes to digest food
State the function of the liver in the digestive system.
Produces bile for lipid digestion
State the function of the small intestine.
Digest food and absorb nutrients from digested food
State the function of the large intestine.
Absorb water from digested food
State the the function of the pancreas.
Produces/Releases digestive enzymes
State the function of the gall bladder.
Store bile before release into small intestine
What are carbohydrates made up of?
State the chemical formula of glucose.
Name a complex carbohydrate that is made up of glucose.
State the importance of having carbohydrates in our diet.
Energy source - Break down glucose in respiration to release energy for metabolic reactions
What elements make up carbohydrates?
C, H, O
What are lipids made up of?
1 glycerol + 3 fatty acids
State the importance of having lipids in our diet.
Energy store/Make up cell membranes/Steroid hormones
What elements make up lipids?
C, H, O
What are proteins made up of?
State the importance of having proteins in our diet.
What elements make up proteins?
C, H, O, N
Name the reagent used to test for starch.
What is a positive result for starch test?
Starch turns iodine from brown-red to blue-black
Name the reagent used to test for sugars.
What is the positive result for sugars?
Benedict's solution turn from clear blue to brick-red (precipitate)
What is the reagent used to test for proteins?
What is the positive result for proteins?
Biuret turns from blue to purple
What is the reagent used to test for lipids?