Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and...

Here’s a thought: What IS a thought? I know it involves my brain, and my brain is made of neurons. And my brain’s neurons are listening to other neurons all over my body. But how do those neurons actually work? Maybe you’ve heard that it...

Today Hank kicks off our look around MISSION CONTROL: your nervous system.


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Sensory Input, Int
egration and Motor Output 1:36
Organization of
Central and Peri
pheral Systems...

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...

BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex...

In this video Paul Andersen details the action potential in neurons. The resting potential of a neuron (-70mV) is maintained through differences in concentration and permeability of Na, K, and Cl ions. A graded potential is created as...

Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions...

In this video Paul Andersen explains the basic anatomy of a neuron; including the dendrites, cell body, axon hillock, axon, and axon terminal. He also describes how neurons are classified both structurally and functionally.

In this episode of Crash Course Anatomy & Physiology, Hank gives you a brief history of histology and introduces you to the different types and functions of your body's tissues.
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In this video, I explain how AI really works in detail. An artificial neural network, also called neural network, is at its core, a mathematical equation, no more. It’s just math. The term neural network comes from its...

Your nervous system is why you can see this video, scratch your neck, feel hungry and ask yourself, Who am I? The human nervous system is a fascinating system with 86 billion neurons and about the same number of glial cells. The main...

Neurons send signals through a mechanism called action potential. Action potentials are electrical signals that pass through the neuron’s axon. This causes the neuron to pass the signal to the next neuron. Action potentials are the...

Your nervous system is why you can see this video, scratch your neck, feel hungry and ask yourself, “Who am I?” The human nervous system is a fascinating system with 86 billion neurons and about the same number of glial cells. The main...

There’s a black stain on the history of neuroscience. But don’t worry, that’s actually a good thing! Thanks to Camillo Golgi’s mysterious “black stain” and Santiago Ramon y Cajal’s artistic talents, starting in the early 1900s, we...

In this video, the teacher explains the misconception that the brain is the fattiest organ in the human body. They clarify that while the brain does contain fatty tissue, it is not primarily made up of fat. The video explores the...

Students will learn the three main types of neurons and how they travel through the body's nerve network. Diagrams explain how information is received using our sensory organs and then processed by the central and peripheral nervous...

This video provides an introduction to the nervous system and its key features. The speaker explains the role of the nervous system in allowing communication throughout the body using electrical impulses, and discusses the central...

In this video, we discuss the STRUCTURE of the major pathways of the sympathetic nervous system and how they relate to the white and gray rami communicantes.

This is a brief video tutorial on sympathetic innervation of GI organs. It also includes innervation of the adrenal gland and skin just because:)

This tutorial briefly covers CN V (trigeminal nerve).

In this video, the teacher introduces the endocrine system and its role in the human body. They explain the function of hormones and how they are released into the bloodstream. The teacher also highlights the importance of the...

In this video, we will discuss in detail the major components and pathways of the parasympathetic nervous system (cranial component).

The video provides an overview of the nervous system, explaining what it is, how it works, and its different components. The narrator describes the function and role of sensory receptors, neurons (sensory, relay, and motor), and...

In this video, we explore the theory, use, and parameters with TENS and IFC, two E-Stim modalities used in pain control. Also, we discuss the two relevant theories of pain modulation: gate control and endogenous opioid theories.