Digestive SY Flashcards
How do muscles cells get shorter?
The contain special protein fibres
What is in muscle cells to aid energy consumption?
Mitochondria
What is a tissue?
A group of cells with a singular function.
What is an organ?
A group of tissues working together for a specific function.
What are organs grouped into
Organ systems which work together to form organisms
What three nutrients contained in food
Carbohydrates,protein lipids
Why do nutrients need to be digested?
Nutrients contain large molecules to large to be absorbed I to the bloodstream.
How are food molecules digested?
They are broken down into small molecules by enzymes.
How is starch digested?
The food is chewed in the mouth then enzymes in saliva digest into smaller molecules.
Where is linked to the mouth?
The oesophagus
Where does food travel to from the oesophagus?
The stomach
What acid is contained in the stomach?
Hydrochloric acid
How is food turned into fluid in the stomach?
The churning action of the stomach muscles.
What is released from the liver and the pancreas and where does it go?
Chemicals.
The small intestine.
What is produced in the liver?
Bile
