SciShow
7 Organs You Could Totally Live Without
Most people know that they don't need their appendix, but what other organs can humans live without?
Amoeba Sisters
Excretory System and the Nephron
Join the Amoeba Sisters as they explore the excretory system! This video will first discuss two major functions of the excretory system before focusing on the nephron. The majority of this video will tour through the nephron while...
Bozeman Science
The Urinary System
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
TED-Ed
TED-Ed: How do your kidneys work? - Emma Bryce
After drinking a few glasses of water on a hot day, you might be struck with a sudden urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. Emma Bryce details how the incredible kidneys balance...
Bozeman Science
Homeostasis Hugs
Paul Andersen explains how hugs between tissues can help maintain homeostasis. Countercurrent heat exchange allows heat to stay within the core of the body. Close contacts between the capillaries and alveoli allow our body to maintain...
Bozeman Science
Osmoregulation
Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how...
Crash Course
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
Curated Video
Nephrons
Microscopic structures in the kidney that filter blood and produce urine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Institute of Human Anatomy
Why Drinking Water Is So Important
In this video, Justin from the Institute of Human Anatomy discusses how the body regulates hydration levels, as well as what happens when the body becomes dehydrated.
Institute of Human Anatomy
How Your Kidneys Filter GALLONS of Blood
In this video, Jonathan from the Institute of Human Anatomy discusses the significance of the kidneys. You will likely be surprised by the many functions these most valuable organs perform, such as balancing water and electrolytes,...
Curated Video
Biology - Structure of the Kidneys - (Kidneys Part 2/3) #28
This video covers: - The structure of the kidneys and urinary system - The structure of the nephron - How filtrate is filtered from the glomerulus to the Bowman's capsule - Which substances are reabsorbed from the tubules into the blood...
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
Anatomy and Function of the Kidneys and Nephrons
This video is an educational resource that explains the role of the kidneys in the human body. The video describes the structure of a nephron, the microscopic tubules responsible for filtering blood and removing waste products such as...
Catalyst University
The Loop Of Henle [Part 2] | Urea Recycling
In this video, we will discuss how urea recycling between the collecting ducts and the Loop of Henle augments water reabsorption in the Loop's descending limb.
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
Catalyst University
Chronic Kidney Disease EXPLAINED [Pathogenesis, Effects, & Staging]
In this video, we explore the pathogenesis, systemic effects, and clinical staging of chronic kidney disease (CKD).
Catalyst University
Mechanisms of the Juxtaglomerular Apparatus [Part 1] | Macula Densa
In this video, we discuss the mechanisms of the macula densa cells in regulating GFR and blood pressure.
Catalyst University
The Loop Of Henle [Part 1] | Countercurrent Multiplication
In this video, we will discuss the absorptive properties of the Loop of Henle's ascending and descending limbs and how the Loop of Henle's set-up drives countercurrent multiplication.
Visual Learning Systems
Exploring the Digestive and Excretory Systems: the Urinary System
This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...
Curated Video
Glomerular Filtration Rate - But Easier to Understand
If you want to know how well your kidneys function, a good metric to look at would be the Glomerular Filtration Rate. The Glomerular Filtration Rate is not constant. It needs to be increased or decreased depending on how much the kidney...
Curated Video
The Structure and Function of the Nephron - Made Easy - Kidney Function
The nephron is the functional unit of the kidney. In this video, I talk about the nephron's structure and function. The urinary system is involved in maintaining homeostasis in the body. The bulk of the processing happens in the kidneys,...
Catalyst University
Diuretics | 4 Major Classes + Mechanisms of Action
In this video, we explore the four major classes of diuretics that are used in the treatment of hypertension including their mechanisms of action.
Catalyst University
The Renal Corpuscle, Glomerulus, and Blood Filtration
In this video, we will discuss: [1] the anatomy of the renal corpuscle [2] glomerular filtration [3] glomerular filtration rate (GFR) [4] what substances get filtered
Catalyst University
Basics of Renal Blood Supply and Flow
This video discusses the pathway of blood through the kidneys.