The system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
The Endocrine System
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Excellent lesson video! Discuss very well the topic about the endocrine system. Also the video define the most important concepts, had nice pictures that illustrate the components in the endocrine system and presents a summary about the lesson at the end of the video.
JoelVargasMuniz
February 09, 2014
