Endocrine System: Chemical Flashcards
Do glands only secrete hormones?
no, they can secrete other things too
ex) sweat glands -> sweat
glands
organs that secrete a particular substance used in another part of the body
hormone
chemical messengers that travel through the blood and affect other cells
What are the two types of hormones?
Protein/Peptide(Nonsteroid) and Steroid
A nonsteroid hormone is a….
protein
A steroid hormone is a….
lipid (cholesterol)
Where do steroid hormones bind to?
Receptors inside the cell
Where do nonsteroid hormones bind to?
receptors on the cell membrane
What is a target cell?
cells that have receptors for specific hormones to bind to
How do hormones travel throughout the body?
through the bloodstream
blood sugar regulation
a negative feedback loop; the pancreas gland is involved; insulin and glucagon
What are the two hormones that keep blood sugar stable?
insulin and glucagon
What part of the body produces insulin and glucagon?
pancreas
insulin (in terms of blood sugar regulation)
stimulates the liver to take up glucose and store them as glycogen
tells the body to take up glucose and use them as energy
glucagon (in terms of blood sugar regulation)
stimulates the liver to break down glycogen and release glucose into the bloodstream
