Controlling Blood Glucose Flashcards
What are the 3 main components in an automatically controlled mechanism?
Receptor
Coordination centre
Effector
Originates at hormones/nervous system
Hormones=glands
Nervous system=receptor
Travel in hormones/nervous system
Hormones=blood
Nervous system=neurons
Duration of hormones/nervous system
Hormone=long-lasting
Nervous system=short
Speed of action in hormones/nervous system
Hormones=slow
Nervous system=rapid
Signal type in hormones/nervous system
Hormone=chemical
Nervous system=electrical
What is the coordination centre, receptor and effector in the endocrine system?
The pancreas
What is insulin and where does it travel to?
Chemical messanger, to liver and muscles instructing them to convert excess glucose into glycogen (large insoluble molecule) that is stored in them
What is Type 1 diabetes and how is it treated?
Pancreas produces little or no insulin
Insulin therapy, injection of insulin around meal times
What is Type 2 diabetes and how is it treated?
Cells no longer respond to insulin
Low sugar/carb diet, regular exercise
