Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Endocrine System


Function of glands. Secrete hormones.
Hormones. Chemical messenger.
Life process involved with the endocrine system. Regulation.
Regulation. Control and coordination.
Receptor molecules must have a specific __________ that matches the _____________ of the hormone. Shape.
Name of the cell that has the correct receptor shape for the hormone. Target cell.
Name of the cell that does not have the correct receptor shape for the hormone. Non-Target cell.
A type of feedback mechanism or loop that tends to oppose an initial change and thus maintains the stability of the quantities involved. Negative feedback.
Why is negative feedback important for an organism? It helps it maintain homeostasis.
What does a graph showing negative feedback look like? A series of lines that go up and down constantly.
Describe how negative feedback affects the endocrine system. The secretion of a hormone is controlled by the concentration of another substance in the blood, often another hormone.
Pituitary gland. Controls the activity of other glands and hormones, otherwise known as the "master gland", located in the brain.
Four hormones secreted by the pituitary gland. TSH (thyroid hormone), ACTH, GH (growth hormone), and FSH (egg cells).
Hypothalamus. Controls the release of hormones by the pituitary and serves as a major link between the nervous system and the endocrine system, helps with temperature regulation.
Thyroid gland. Located in the neck, secretes thyroxine, regulates rate of metabolism.
Parathyroid gland. Located on the side of the thyroid gland, secretes parathormone, regulates calcium and phosphate metabolism.
Adrenal gland. Located on the top of the kidneys, secretes adrenaline, epinephrine, and cortisone, activated during emergencies and stressful situations.
Pancreas. Otherwise known as Islets of Langerhans, secretes glucagon (increases carbs) and insulin (decreases carbs), affects glucose levels, can lead to diabetes.
Gonads. Sex glands.
Ovaries. Produce egg cells, secrete estrogen and progesterone.
Testes. Produce sperm cells, secrete testosterone.
Created by: emarciante9



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards