Amoeba Sisters
Homeostasis and Negative/Positive Feedback
Explore homeostasis with the Amoeba Sisters and learn how homeostasis relates to feedback in the human body. This video gives examples of negative feedback (temperature and blood glucose regulation) and positive feedback (events in...
Science360
Silk - If Spiders and Worms Can Do It, Why Can't We
Future research could spin up new medical and materials breakthroughs based on silk, but obstacles remain in quest to replicate natural silk production, scientists say in this week's edition of Science.
Bill Carmody
Writing Effective Persuasive Claims and Complaints
In this video, Bill Carmody provides tips on writing effective and persuasive claims and complaints. He emphasizes the importance of stating facts, being specific, and using simple language to make a persuasive claim.
Curated Video
Adrenaline and Thyroxine: Hormones and their Effects on the Body
This video explains the functions and production of two important hormones in the body: adrenaline and thyroxine. The video provides a clear explanation for how adrenaline is released in times of stress or fear, and how it prepares your...
Crash Course
Endocrine System, part 2 - Hormone Cascades: Crash Course A&P
In the second half of our look at the endocrine system, Hank discusses chemical homeostasis and hormone cascades. Specifically, he looks at the hypothalamus-pituitary-thyroid axis, or HPT axis, and all the ways your body can suffer when...
Curated Video
Hormones: Adrenaline and Thyroxine
This video discusses two hormones produced by the body: adrenaline and thyroxine. The video provides an explanation of what hormones are, how they work, and the effects of adrenaline and thyroxine on the body. It also includes...
msvgo
Digestion and Absorption of Food
Explain the process of digestion of each food component. Describe how and where various components of food are absorbed.
Tarver Academy
How to do the Distance Formula
In This Episode, Tyler Teaches Us About How to do the Distance Formula
Curated Video
Understanding Measures of Center and Variance in Real World Data
Understand the difference between the measure of center and the measure of variance. Learn how these measures can be used in everyday life through a real-world example of basketball scores and review how different measures of tendency...
SciShow
Big Idea: Gunpowder
Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - 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.
FuseSchool
What is Homeostasis?
So what is homeostasis is a term first defined by Claude Bernard in 1865 it means maintaining a constant internal environment this is a bit like car brain works senses all around the body imaging various things and sending the...
Curated Video
GCSE Biology - Control of Blood Glucose Concentration #56
Learn how the body controls it's blood glucose concentration using the hormones insulin and glucagon. We'll also see how these two hormones interact in a negative feedback loop.
Curated Video
How Insulin and Glucagon Control Blood Glucose Concentration
This video explains how the body regulates blood glucose levels through the hormones insulin and glucagon produced by the pancreas. The video also touches on the concept of negative feedback, where the body senses and responds to changes...
Curated Video
High Performance Scientific Computing with C 2.3: Discrete versus Fast Fourier Transform
How can we deal with spectral data? How can we apply divide-and-conquer approaches to numerical algorithms? • See how simple the DFT is to implement • Learn how to apply the divide-and-conquer approach for the FFT • See the huge speed-up...
Independent Producers
Portrait of a Bully
This is the story of Jeff White, an aggressive, fearless bully in a small town. White explains his behavior and his feelings about it, as well as why he thinks it works for him. After time in juvenile detention, White explores the...
SciShow
The Male Biological Clock
Another aging rock star, another baby, does age have any affect on sperm, or are these little swimmers seemingly viable until death?
The Noted Anatomist
Pituitary and Hypothalamus
This video tutorial provides an overview of the pituitary gland and hypothalamus (topography, parts, vascular supply, histology, hormones, etc..). 0:00. Introduction 0:22. Pituitary gland topography2:06. Adrenal cortex and medulla 2:38....
Catalyst University
Regulation of Blood Calcium via PTH and Calcitonin
In this video, we will contrast the biological/hormonal responses to low and high blood calcium and determine the effects on bone mineral density.
Curated Video
Biology - How the Kidneys Work - (Kidneys Part 1/3) #27
This video covers: - The 3 main functions of the kidneys: 1) removing waste, 2) regulating levels of ions, and 3) regulating levels of water - How the kidneys can achieve all of this using filtration and selective reabsorption - How...
Curated Video
What is Homeostasis? | Physiology | Biology | FuseSchool
What is Homeostasis? | Physiology | Biology | FuseSchool Homeostasis is a term first defined by Claude Bernard in 1865. It means maintaining a constant internal environment. Senses all around the body are measuring various things and...
Curated Video
Insulin and Glucagon | Physiology | Biology | FuseSchool
Insulin and Glucagon | Physiology | Biology | FuseSchool In this lesson, you will learn about how your blood glucose level is regulated (or controlled) by two important hormones – insulin and glucagon, via a negative feedback system....
FuseSchool
Insulin and Glucagon
In this lesson, you will learn about how your blood glucose level is regulated (or controlled) by two important hormones – insulin and glucagon, via a negative feedback system. When you consume a meal that is high in carbohydrates, such...
Catalyst University
The Renin-Angiotensin-Aldosterone [RAAS] System
In this video, we will discuss: [1] why renin is released [2] how Angiotensin II, Aldosterone, and ADH are released [3] their biological effects