The digestive system is the organ system that breaks food down into small molecules that are absorbed into the bloodstream. Digestion is helped by enzymes, which are biological catalysts.
Which nutrients do not need to be digested?
Protein, minerals and vitamins
Minerals, vitamins and water
Fat, minerals and vitamins
What organ follows the stomach in the digestive system?
What is mainly absorbed in the large intestine?
Where is most digested food absorbed?
In the stomach
In the small intestine
In the gullet
What is produced when proteins are digested?
Fatty acids and glycerol
What does lipase digest?
Where does digestion start?
Where is bile produced?
What gives the small intestine a large surface area?
Rich blood supply
When faeces are passed out of the body, this is called: