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endocrine system

Endocrine System
Image: iStockphoto.com/Claudiad

Endocrine System

Have you ever been really excited, or really scared? Your heartbeat was racing and maybe you felt a surge of energy. That was the adrenalin in your body going to work.

Adrenalin is just one of the hormones in the human body produced by the endocrine system. This group of glands is responsible for regulating many body functions. Find out more.

TeensHealth
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Code Fred: Survival Mode

Code Fred: Survival Mode

When you're frightened you're probably not thinking about your endocrine system. But you should be glad it's there. Help Fred's endocrine system get him out of the woods. More...

Game
Museum of Science and Industry
Chemistry of Fear and Fright

Chemistry of Fear and Fright

When you're afraid, your heart races, you breathe faster, and you might start sweating. Find out more about the hormones that ready the body for "fight or flight." More...

Video
National Science Foundation
Endocrine System: Facts, Functions, and Diseases

Endocrine System: Facts, Functions, and Diseases

The endocrine system is made of eight major glands, which are groups of cells that produce and secrete chemicals. Find out the names of these glands and what these chemicals control! More...

Article
LiveScience
How Space Technology Improves Human Health

How Space Technology Improves Human Health

Technology that NASA originally developed for space exploration is now being used to improve our health. On this site, select the body system you're interested in to see a related video. More...

Video
NASA
Control of the Thyroid Gland

Control of the Thyroid Gland

Located in the neck, the thyroid gland controls a number of body functions. Explore how it works together with the hypothalamus and pituitary gland with this animation. More...

Interactive
BiologyInMotion.com
Endocrine System Animation

Endocrine System Animation

The endocrine system is made up of the glands in the body and the hormones they produce. They're responsible for regulating many body functions. Find out more. More...

Video
H.E.A.T.
Exactly Why Is Your Thyroid Gland So Important?

Exactly Why Is Your Thyroid Gland So Important?

Chances are rather good that you know you have a thyroid—but chances are also pretty decent that you're not exactly sure why you have one. Find out! More...

Article
Discovery
How Cells Communicate During the Fight or Flight Response

How Cells Communicate During the Fight or Flight Response

When you sense danger or threat, you body releases a chemical messenger into your bloodstream. Take an in-depth look at the "flight or fight" response. More...

Article
University of Utah
Mental Leap

Mental Leap

The endocrine system works hand in hand with the nervous system to control and regulate the body. In this game, guide a nerve impulse through neurons and across a synapse! More...

Game
BlueKids.org
Pictures of the Endocrine System

Pictures of the Endocrine System

The endocrine system is made up of many different glands, including the pituitary and parathyroid. Take a look at them and their jobs in the body. More...

Images
WebMD
The Science of Gigantism

The Science of Gigantism

When the pituitary gland produces excess hormones, it can to gigantism. Take a closer look at this condition and the challenges it can produce in daily life. More...

Video
National Geographic
Why Endocrine Conditions Are Difficult to Diagnose

Why Endocrine Conditions Are Difficult to Diagnose

Hear Dr. Theodore Friedman explain why his job as an endocrinologist is a lot like being a detective. More...

Video
AOL

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