Chapter 9: Structures and Functions of Endocrine System Flashcards
What is the primary function of the Endocrine System?
To produce hormones that work together to maintain homeostasis.
What are Hormones?
Chemicals messengers secreted by endocrine glands that regulate nearly all the processes in the body.
What are the process of Hormones?
Growth, developiemt, hunger, thirst, emotions, mood, sexuality, pregnancy, childbirth, sleep, response to stress.
What is the Pituitary gland?
A small, pea-sized located at the base of the brain.
What is the master gland?
Pituitary gland.
What is the primary function of the Pituitary Gland (master gland)?
To secure hormones that control the activity of other endocrine glands.
The production of the Pituitary hormones is under the control of?
The hypothalamus of the brain.
What does the Hypothalamus senses?
The levels of circulating hormones to be released or reduced.
What does the levels of circulating hormones to be released of reduced do?
Creates a system of checks and balances to maintain an appropriate blood level of each hormone.
What is the Thyoid?
A butterfly-shaped gland in the front of the neck.
What is the Thyroid responsible for?
Metabolism.
What does the Thyroid hormones help control?
Body temperature, blood pressure and heart rate.
Where are the four Parathyroid Glands?
Embedded on the back surface of the thyroid gland.
What is the function of the four Parathyroid Glands?
Regulate the calcium content of the blood.
Why are calcium levels so important?
For the smooth functioning of the muscular and nervous systems.