MinuteEarth
How Physics Saved Two Million Premature Babies
Doctors beat back a disease that was killing tens of thousands of babies a year with a machine based on a simple principle of physics. FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here...
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?
SciShow
Growing Lambs in High-Tech Plastic Bags
We're closer than ever to growing life in artificial wombs, and we've learned a bit more about how glucose and protein affect exercise endurance.
TED-Ed
TED-Ed: How do ventilators work?
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first...
SciShow
The Science of the Cinnamon Challenge
Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...
TED-Ed
TED-Ed: How breathing works - Nirvair Kaur
We breathe constantly, but have you ever thought about how breathing works? Discover the ins and outs of one of our most basic living functions-- from the science of respiration to how to control your breaths.
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
The Respiratory System
Paul Andersen starts this video with a description of the respiratory surface. He explains how worms, insects, fish and mammals take in oxygen and release carbon dioxide. He then tours the major organs of the respiratory system; from the...
SciShow
What Ventilators Taught Us About Breathing
Humans’ experiences with ventilators have taught us that sighing isn’t just a way to express yourself: it’s a vital part of our everyday breathing.
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: Why is pneumonia so dangerous? | Eve Gaus and Vanessa Ruiz
Every time you breathe, air travels down the trachea, through a series of channels, and then reaches little clusters of air sacs in the lungs. These tiny sacs facilitate a crucial exchange: allowing oxygen from the air we breathe into...
Curated Video
The Incredible Role of Plants and Alveoli in Sustaining Life
This video highlights the amazing capabilities of plants and the importance of photosynthesis in sustaining life on Earth. It also explains the process of human respiration, detailing the intricate structure of the lungs and the role of...
Curated Video
Alveoli
Microscopic air sacs in the lungs where gas exchange takes place between blood and the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Bronchi
The two large tubes that branch from the single windpipe, or trachea, to carry air to and from the lungs. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Dissection: Lungs
We dissect and examine a cow\u2019s lungs. Before the dissection, the lungs are inflated to show the changes in volume that occur when mammals breathe. During the dissection the position and function of different parts are examined,...
Curated Video
Bronchiole
The last and smallest stage of branching airway tubes in the lungs. The bronchioles are microscopic and end in air sacs called alveoli. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Follow a human breath
Follow the journey of a human breath. Life processes - Body systems - The respiratory system Learning Points As we inhale, air travels down the trachea to the lungs. Oxygen in the lungs passes through bronchioles and air sacs into the...
Curated Video
Transporte en las Células: Difusión y Ósmosis
Este video explica cómo las células absorben sustancias útiles y eliminan desechos mediante difusión, ósmosis y transporte activo. Estos procesos ocurren a través de la membrana celular y permiten el intercambio de materiales entre las...
Curated Video
GCSE Biology - Gas Exchange and Lungs #26
Learn how the lungs and alveoli are adapted to carry out gas exchange.
Curated Video
GCSE Biology - Specialised Exchange Surfaces
This video covers: - What exchange surfaces are - The key features of exchange surfaces - Specific examples including alveoli, villi, root hair cells, and leaves
Curated Video
GCSE Biology - Surface Area to Volume Ratio
This video covers: - What surface area to volume ratio means - How to calculate surface area and volume - Why large organisms need specialised exchange surfaces and transport systems
Curated Video
The Respiratory System Song - Fun Biology Music
Unlock the mysteries of the respiratory system with this catchy tune! From the nose down to the alveoli, journey through the process that keeps us all alive. Dive into the wonders of oxygen, carbon dioxide, and the essential steps that...
Curated Video
A Respiratory System Overview - How We Breathe
Discover the incredible science behind the air we breathe and how it fuels our body's energy production! We'll explore the fascinating process of cellular respiration and its vital role in our daily lives. From gym workouts to simply...
Curated Video
Smoker's Lungs
Smokers’ Lungs will show students what the lungs of a smoker look like and the negative impacts that smoking has on a person.