Homeostasis basics Flashcards
Why glucose homeostatic regulation is described as negative feedback?
Regulated when glucose in blood stream is too high
What organs are involved in the blood glucose regulation?
Pancreas and liver
What 2 hormones are secreted by the pancreas?
Glucagon and insulin
What 2 molecules do the liver deal with?
Glucose and glycogen
Which 2 pancreatic cells produce hormones?
Alpha cells and beta cells
Which hormone effects the liver and body cells?
Insulin
Which organ does glucagon effect?
The liver
Name 2 examples of opposite effect stimuli on blood glucose levels
- eating carb-rich foods
- fasting
Define “set point”
normal glucose levels in the blood
what is the set point for blood glucose levels?
90mg/100ml
Why are there 2 loops in blood sugar regulation?
When sugar is too high or too low
Islet of Langerhans is where what can be found?
Alpha and beta cells
