SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.
SciShow
Carcolepsy: Why Do We Get Sleepy in Cars?
It turns out there are number of aspects of driving that can potentially conspire to lull our bodies into a potentially dangerous state of drowsiness.
SciShow
Why Do You Feel Butterflies in Your Stomach
It may have happened when you locked eyes with your secret crush, or before an important job interview, but what exactly caused that strange, fluttering sensation in your stomach?
SciShow
Anxiety Hurts
Everybody knows what anxiety feels like - it's annoying and counterproductive and apparently useless, so why does it exist? It turns out your anxiety isn't useless at all - it's a result of the sympathetic nervous system (in charge of...
SciShow
5 Body Hacks for When You’re Sick
No matter how healthy you are, you likely end up feeling sick at least a few times a year. And we have many pharmaceutical options these days to help us feel better. But some non-pharmaceutical remedies are supported by science,...
Crash Course
Autonomic Nervous System: Crash Course A&P
Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical...
The Noted Anatomist
Testing ANS #shorts (Part F)
Short video testing autonomic nervous system (ANS) #shorts (Part F) sympathetic, parasympathetic, T1-L2, brainstem, S2-S4, lateral horn, white ramus communicans, gray ramus communicans, sympathetic ganglion, sympathetic chain, NE, EPI,...
The Noted Anatomist
Ureter, Bladder and Urethra
This brief video tutorial discusses the anatomy of the kidney: 0:00. Introduction 0.14. Ureter - 4:25. Kidney stones (referred pain) 6:33. Bladder and Internal urethral sphincter 12:52. Urethra 15:50. Intravenous pyelogram (IVP) 16:30....
The Noted Anatomist
Muscarinic cholinergic receptors
This video tutorial discusses the Muscarinic cholinergic receptors: 0:00. Intro 0:15. What are cholinergic receptors? 0:25. What are muscarinic receptors? 1:52. Act through G-Protein coupled receptors that act through 2nd messengers...
The Noted Anatomist
Autonomic innervation of the heart
This video tutorial briefly covers the sympathetic and parasympathetic role on heart innervation. It focuses on the following: - Sympathetic neurotransmitters (epinephrine and nor-epinephrine) and receptors (adrenergic). -...
Catalyst University
Neurotransmitters in the Autonomic Nervous System EXPLAINED
In this video, we discuss the autonomic nervous system signaling through presynaptic and postsynaptic neurons and various neurotransmitters.
The Noted Anatomist
Cranial Nerves and Autonomics
This is a brief tutorial on the autonomic nerves that course to the head.
The Noted Anatomist
Orbital anatomy tutorial
This is a brief video tutorial on the anatomy of the eye.
The Noted Anatomist
Parasympathetics overview
This is a short video tutorial introducing the parasympathetic nervous system.
Catalyst University
Parasympathetic Nervous System (Cranial Part) | Pathways & Components
In this video, we will discuss in detail the major components and pathways of the parasympathetic nervous system (cranial component).
Catalyst University
Pulmonary Pharmacology [Part 1] | Bronchoconstriction & Bronchodilation Mechanisms
In this video, explore the biochemical mechanisms that promote bronchoconstriction and bronchodilation.
KERA
How Your Body Responds to Stress
Everyone has experienced stress, which is your body’s response to a demand made on it. A surge of hormones is released when people are stressed and that helps them deal with the danger or threat, but it also affects the nervous system...
Catalyst University
Cranial Nerve III - Oculomotor Nerve [Part 2] | Origin, Structure, Pathway & Function
In this video, we explore the following as it pertains to cranial nerve III; specifically, the oculomotor nerve’s parasympathetic component: Origin Anatomy Functions Pathway to the eye
The Noted Anatomist
Cranial nerves IX, X, XI & XII
This is a brief tutorial covering the glossopharyngeal, vagus, spinal accessory and hypoglossal nerves.
The Noted Anatomist
Parasympathetics GI
A brief video tutorial on parasympathetic innervation of the GI tract.
Curated Video
Pressure Reflexes and Mean Arterial Pressure
What happens when Mean Arterial Pressure goes to high? Baroreceptors fire, signal goes to the medulla, parasympathetic activity goes up, Sympathetic Activity goes down, which ends up resulting in an increase in Mean Arterial Pressure....
Curated Video
063 The Divisions of the Nervous System
In this episode, I talk about the divisions of the nervous system and deal with terms like the Central and Peripheral Nervous Systems, Brain and Spinal Cord, Somatic and Autonomic Nervous System, Sympathetic and Parasympathetic Nervous...
The Noted Anatomist
Autonomic nervous system Overview
This video tutorial provides an overview of the Autonomic Nervous System (ANS) and helps establish how neural crest cell migration contributes to understanding post-ganglionic neurons.