Structure and function of digestive system Flashcards
What is the digestive system an overall term to describe what?
Alimentary canal
Accessory organs
Processes of digestion
Leading to absorption
What is the alimentary canal?
is a tube running through the body from the mouth to the anus with varying structures along the way
What does the accessory organs contribute to?
the processes of digestion
What is the function of the digestive system?
Breakdown food we eat into smaller molecules which can be absorbed
Involves digestive enzymes – from the canal itself and accessory organs
What does the digestive system involve?
digestive enzymes – from the canal itself and accessory organs
What does nutrients absorbed provide?
maintenance; production of new cells, hormones; organ and cellular activity e.g. nerve transmission, heart contraction
What are the 5 main functions of the digestive system?
Ingestion Propulsion Digestion Absorption Elimination