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SciShow
Performance Enhancing Drugs
You've heard about them, but do you how they work? Or why they suck? Hank explains the science behind performance enhancers, including steroids, blood doping, and that stuff supposedly made out of deer antlers. You'll never look at...
Curated Video
Introduction to the Endocrine System and Negative Feedback Control
In this lecture, I discuss the endocrine system and how endocrine glands control functions in the body through the release of hormones. The pituitary gland is known as the Master Endocrine Gland and plays a major role in controlling the...
Catalyst University
Specific Hormones | Functions of Growth Hormone (hGH)
In this video, we explore the functions of growth hormone and how it is released.
Bozeman Science
Bozeman Science: Cell Communication
Paul Andersen discusses cell communication. He begins by explaining how he communicates with other individuals using various forms of electronic communication. He then explains how cells communicate when the distance between them is big,...