SciShow
How Do You Get Rid of Acne?
Most of us have dealt with acne during puberty, or maybe even after that. You probably wanted to pop or pick them in order to remove them, but don't do that! Learn more about acne and learn how to get rid of it more appropriately!
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.
SciShow
Does Beer Actually Help Breastfeeding?
Maybe you've heard that drinking beer while breastfeeding is helpful? There seems to be conflicting findings, so check out this episode to dive into the research!
SciShow
Superfetation: When You Get Pregnant... Even Though You're Already Pregnant
The process of human baby making seems pretty straightforward: egg+sperm+time=baby. But hold on to your ovaries, folks! It’s pretty rare, but sometimes, days or weeks after a person gets pregnant, they can get pregnant again in a process...
Crash Course
Tissues, Part 2 - Epithelial Tissue: Crash Course A&P
Today on Crash Course Anatomy & Physiology, Hank breaks down the parts and functions of one of your body's unsung heroes: your epithelial tissue.
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Table of Contents:
Epithelial Tissue Creates Inner & Outer Boundaries...
SciShow
World’s Most Asked Questions What Is Love
People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is Love?”
TED-Ed
TED-Ed: How does your body know you're full? - Hilary Coller
Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that's almost impossible to ignore. After you've reacted by...
SciShow
The Real Reason It's So Hard to Lose Weight
You probably know that losing weight is really hard. But it may not be just because of your cheat day frequency; your body actually fights back to make losing weight harder.
TED-Ed
TED-Ed: How do your hormones work? - Emma Bryce
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce...
TED-Ed
TED-Ed: How puberty changes your brain | Shannon Odell
While we often talk about puberty's effect on the body, what gets overlooked are the fascinating changes that happen in the brain. Puberty, in fact, begins in the brain, and lasts as long as five years. And during this extended process,...
SciShow
Hormones and Puppy Love
This week, science explains the chemical love-connection we share with our dogs, and how some of the most isolated populations of people in the world are different on the inside.
SciShow
7 of the Strangest Allergies
When you think of allergies, the first thing that comes to mind is probably seasonal allergies, but there are a handful of strange allergies can be much harder to avoid than pollens.
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...
SciShow
Why Do You Get Hangry?
Hanger is the grumpiness you feel when you are hungry. We've all been there, but what's the science behind it?
SciShow
Yet More Evidence That Vaping Is Probably Terrible | SciShow News
Did you know that your body's fight-or-flight response to danger may, in part, come from inside your bones? Plus, another study suggests that vaping may impair to your ability to fight off lung infections.
SciShow
The Teenage Brain Explained
Being a teenager is hard. Especially when hormones play their part in wreaking havoc on the teenage body and brain. In this episode, Hank explains what is happening to the during the angsty-time. ----------
SciShow
All This Noise Is KILLING Me!
The sounds we hear every day really do have effects on our health. Not just our ears, but our hearts and even our brains.
Crash Course
Reproductive System, part 4 - Pregnancy & Development: Crash Course A&P
We've reached the grand finale of our four part series on human reproduction: BABIES! Today Hank walks you through the stages of pregnancy, beginning with how a zygote develops into blastomeres to a morula to a blastocyst and finally to...
Bozeman Science
Organ Systems
Paul Andersen explains how organs work together to form organ systems and how organ systems work together to form organisms. The kidney and bladder work together to filter blood in the excretory system. The circulatory and respiratory...
TED-Ed
TED-Ed: Does stress cause pimples? - Claudia Aguirre
Which came first: the stress or the pimples? The physical reactions to stress can cause major breakouts, which, in turn, can be even more stressful! Claudia Aguirre gives just one more reason to get that stress under control.
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...
Crash Course
Endocrine System, part 1 - Glands & Hormones: Crash Course A&P
Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells...
Curated Video
Protein functions in the human body
Proteins are complex macromolecules that are considered 1 of the 4 macromolecules that make up life. Proteins have many functions beyond being structural components of cells.
Curated Video
The Science of Fear: Understanding Our Physical and Psychological Responses
This video explores the concept of fear and its physical and psychological effects on the human body. It discusses how fear is a response that can be triggered by both real and perceived dangers, and how our ancestors' fight or flight...