B3 - Organisation and the Digestive System Flashcards
food test for glucose
Benedict’s solution turns brick red when glucose is present
define tissue
a group of similar cells working together to perform a specific function
define organ
a group of different tissues working together to perform a specific function
define organ system
a group of organs working together to perform a specific function
list the hierarchy of things that make up an organism
smallest -> largest
- organelles
- cells
- tissues
- organs
- organ systems
- organism
What is the function of the liver?
producing bile
What is the function of the stomach?
Breaking down large insoluble molecules into smaller soluble molecules
What is the function of the small intestine?
Breaking down large insoluble molecules into smaller soluble molecules
And absorbing food
What is the function of the large intestine?
absorbing water from undigested food
an example of an enzyme that breaks down carbohydrates - what is the product
amylase (a carbohydrase) - simple sugars
an example of an enzyme that breaks down proteins - what is the product
pepsin (a protease) - amino acids
what is the name of the enzymes that break down lipids - what is the product
lipase enzymes - fatty acids and glycerol
Where is amylase produced?
- salivary glands
- small intestine
- pancreas
Where is pepsin produced?
- gastric glands in stomach
- small intestine
- pancreas
Where is lipase produced?
- small intestine
- pancreas