Key Area 2b: Control and Communication - Hormonal Control Flashcards
Endocrine glands release?
Hormones into the blood stream
Hormones are?
Chemical messengers
A target tissue has cells with?
Complementary receptor proteins for specific hormones
A target tissue has cells with?
Complementary receptor proteins for specific hormones
A target tissue has cells with complementary receptor proteins for specific hormones so that only?
Tissue will be affected by these hormones
Your blood sugar levels need to be controlled so that cells have?
Continuous access to enough glucose for respiration
What happens if your cells have to much glucose?
It can draw water out from the cell due to osmosis
Blood sugar levels are monitored and controlled by?
The pancreas
The pancreas produces two hormones called?
Insulin and glucagon
Insulin
Lowers blood glucose
Glucagon
Raises blood glucose
Insulin acts on the?
Liver
Liver cells take up
Soluble glucose
Liver cells convert soluble glucose into?
Insoluble glycogen
When insulin acts on the liver it encourages other body cells to take up?
Glucose out of the blood stream
Glucagon acts in the opposite way to insulin by getting the liver cells to?
Break up up glycogen and release glucose back in the blood stream
Insulin and Glucagon are
Hormones
Glucose and glycogen are?
Sugars/carbohydrates
Glycogen is used for
Storage
If blood glucose levels rise the cells of the pancreas?
Release insulin into the blood
When the blood glucose levels rise and Insulin is released the body cells take up?
More glucose
When the blood glucose levels rise and Insulin is released the liver takes?
Yo glucose and stores it as glycogen
When blood glucose levels fall the pancreas releases?
Glucagon
When the glucagon is released the liver breaks down glycogen and?
Releases glucose
features of a hormone are?
Chemical messengers
Specific to target tissues
released by endocrine glands
Shaped to fit receptors
Carried in blood
As glucagon decreases?
Insulin increases