Digestive System Flashcards
Name at least 6 body systems
Digestive / alimentary
Circulatory
Respiratory
Musculoskeletal
Excretory
Reproductive
A body system
A group of cells, tissues and organs working together to perform a particular function
Functions of digestive system
Break food down
Nutrients absorbed into bloodstream
Get nutrients to the cells, where needed
Passage of food through the body
Mouth
Throat / pharynx
Oesophagus
Stomach
Small Intestine (Duodenum, Jejenum, Ileum)
Large intestine (Colon)
Rectum
Anus
Ingestion
Intake of food by biting, chewing and swallowing
Digestion
Mechanical and chemical processes that break down food into soluble nutrients
Absorption
The taking up of soluble nutrients by the blood stream
Egestion
The removal of undigested food (faeces) from the body
Where digestion takes place
Mouth
Stomach
Small intestine
Were absorption takes place
Intestines
Where egestion takes place
At the end of the Colon / large intestine
From a region called the rectum
Faeces exit through the anus
Four health issues associated with the digestive system
Ulcers
Anorexia nervosa
Diarrhoea
Liver cirrhosis
Ulcers
Sores on the skin or mucous membranes of stomach or intestines
Anorexia nervosa
An eating disorder
Obsessing about food eaten
Fear of gaining weight
Diarrhoea
More than five bowel movements or watery stool per day
High risk of dehydration
