Homeostatic control of blood sugar levels Flashcards
What does glucose do for cells
It fuels cellular respiration
What is blood sugar levels
Amount of glucose in the bloodstream
What is low blood sugar
not enough glucose in the blood
What happens when glucose levels drop
cells will not get enough glucose to maintain the rate of cellular respiration
what is high blood sugar
glucose will draw water out of the cells via osmosis
What is homeostasis
maintenance of a constant internal environment of an organism
What is an example of homeostasis
The regulation of blood sugar levels in organisms
What do hormones do
Keep blood sugar levels stable by using a system of negative feedback
What corrects the imbalance of blood sugar levels
hormones
Which hormones work antagonistically to control glucose in the bloodstream?
Glucagon + Insulin
Which accessory organ produces Glucagon and insulin
pancreas
What connects the stomach to the duodenum
pancreatic duct
which gland secretes digestive juices into the pancreas
exocrine gland
What are the specialised cells that form the endocrine glands
Islets of Langerhans
What are the 2 types of cells of the islets of Langerhans
Alpha cells and Beta cells