Cold sores are highly contagious. Follow these simple steps to prevent them.

This animation covers sepsis including the causes, symptoms, and treatments.

Pupil outcome: I can write a detailed paragraph about the importance of exercise and sleep. Key learning points: - A subheading signals to the reader what the section is about. - A section about one feature of the report's subject...

In 2017, a swine flu outbreak in Maryland demonstrated how viruses can jump from animals to humans, potentially sparking epidemics. Host jumps occur when a virus mutates just enough to infect a new species, evade its immune system, and...

With T cells thoroughly covered, let's move on to B cells and antibodies, which are the central elements of humoral immunity. How do B cells develop? What are antibodies, how many kinds are there, and what do they do? Let's get a quick...

Viruses and bacteria have their own set of characteristics that distinguish them. But what are those differences? Well, in this video, we will cover the main differences between those 2 groups of microbes.

This video discusses the use of recombinant DNA technology in the production of therapeutic proteins. It explains how genetic engineering allows for the mass production of safe and effective versions of proteins that the human body...

In this video, Nova explores the world of humor and the positive impact it can have on our lives. Nova emphasizes the importance of considering others' feelings and sharing personal experiences to teach children about empathy and making...

This video explains how vaccines have played a crucial role in eradicating deadly diseases throughout history, using the example of polio. It highlights the way vaccines work by training the immune system to create antibodies, leading to...

In this interview, Bill Gates reflects on his early warning about the potential for a global pandemic, explaining how respiratory viruses can be highly transmissible and deadly. He discusses the lack of preparedness and the need for...

Since vaccination was discovered in 1769 by Edward Jenner, it has come to become an indispensable part of healthcare. Over the last 50 years, advances in science and technology have allowed us to develop vaccines to diseases at breakneck...

Chronic Stress: The Silent Health Threat | Understanding Cortisol's Impact In this eye-opening video, we delve deep into the world of chronic stress and its hidden consequences on your health. Learn how cortisol, the stress hormone, can...

The lymphatic system consists of a complex network of lymphatic vessels, glands or nodes, and organs, such as the spleen and thymus, extending throughout the body. Through it flows a fluid called lymph. The lymphatic system has three...

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

To protect your vision, the human eye gets something called immune privilege. It is basically a license that the bodys immune system gives to some organs, like the eyes and the brain. Immune privilege limits the response of the immune...

The gut microbiome are the trillions of microorganisms – primarily bacteria, but also fungi, viruses and protists – that live inside your digestive system. Scientists are discovering that these microbes are vital for us to live healthy...

A condition in which the body's immune system attacks it's own healthy cells, tissues or organs.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

A preparation that can protect against a specific disease.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

A molecule or fragment of a molecule that triggers an immune response, causing the body to produce specific antibodies against it.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...

Introducing the ethical debate surrounding the treatment of tuberculosis patients in the US. Would you enter quarantine voluntarily to prevent widespread infection?



Biology - Human Body - Learni

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An important hormone in the human body, produced by the adrenal glands.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Antibodies combat some of the strongest foreign invaders that enter your body. What are antibodies and how do they work? Biology - Cells And DNA - Learning Points. Whenever a germ or infection enters our body, white blood cells,...

What makes HIV the world's most deadly virus? Its abilities to constantly evolve and to attack the body's immune system lie at the heart of its deadly nature. Biology - Cells And DNA - Learning Points. Human Immunodeficiency Virus (HIV)...

Over 400 million people suffer from diabetes globally. What is diabetes, how is it caused, and what role does insulin play in its onset and treatment? Biology - Healthy Living - Learning Points. Insulin is a hormone that controls glucose...