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ch17 study guide

QuestionAnswer
The _______________ system is a collection of glands that produce hormones which help regulate the bodys growth, metabolism, and sexual development and function. endocrine
The _____________ are released into the ___________ and transported to tissues and organs throughout the body. hormones; bloodstream
The __________ system is considered the mass communicator of the human body. nervous
The hormones are the _________ that do the communicating. chemicals
________ is the study of the chemical communication system that provides the means to control a large number of physiologic process. endocrinology
The endocrine "communication" system involves: hypothalamus, pituitary gland, other hormone producing cells or glands, hormones, and reptors
The major driving forces of the endocrine system are: hypothalamus and pituitary gland
During pregnancy, the _________ acts as an endocrine gland. placenta
In the brain, part of the brain stem known as the ____________ controls the activity of the pituitary gland. hypothalamus
____________ is another term for the pituitary gland. hypophysis
It is attached to the base of the hypothalamus in the _________. brain
It is composed of two main sections: anterior lobe and posterior lobe
The ___________ secretes digestive enzymes. pancreas
____________ are the chemicals that take the "messages" to the cells through the bloodstream. hormones
Hormones transfer _________ from one set of cells to another. information
There are many factors that can affect the level of hormones in the body at any given time: age, stress, infection, and changes in the balance of fluid and minerals in blood
Dynamic vital statistics such as bolld pressure, body temperature, fluid and electrolyte balance, and body weight are held to a given, predetermined value called: set-point
The hormones of the anterior lobe are known as ________ hormones. tropic
Tropic means: growth
When needed, the hypothalamus will directthe master pituitary gland to release these two hormones: oxytocin and antidiurectic hormone(ADH)
The mechanism the controls he release of the tropic or stimulating hormones from the anterior pituitary gland is known as: negative feedback
When the egg has matured, the oveary releases negative feedback to the hypothalamus, which tells the brain the the _________ is done. deed
The thyroid gland is situated just below the "Adam's apple" or ______. larynx
It is a small gland, weighing less than _____ ounce, located in the front of the neck. one
It is made up to two halves, called _________, that lie along the windpipe and are joined together by a narrow band of thyroid tissue, known as the _________. lobes;isthmus
There are two types of cells that make up the thyroid tissue: follicular cells and parafollicular cells
The thyroid needs _________ to produce the hormones. iodine
The thyroid is a very important gland that affects parts of the body functions that regulate growth, such as the following: thermogenesis, growth and development, nervous system, and heart
The richest sources of iodine are: seafoods and seaweeds(especially kelp)
In the United States, the primary source of iodine is ________. iodized salt
___________ and ___________ are then releasd into the bloodstream and are transported throughout the body, whre the control _______. T3(triiodothyronine) and T4(thyroxine); metabolism
__________ glands are located on the upper part of each _________. adrenal; kidney
The adrenal cortex secretes two types of hormones, which are divided into two main classes: glucocorticoids; mineralcorticoids
The following three factors induce the hypothalamus to secrete the releasing factor caled adrenocorticotropin(ACTH). sleep wake cycle, stress, and negative feedback
Created by: bjmstewart
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