Curated Video
Causes of Disease: Overview and Examples
The video is a lecture presentation on the causes of disease, with a focus on four types of pathogens: viruses, bacteria, fungi, and protists. The presenter discusses each type of pathogen in detail, including their method of...
FuseSchool
What Are White Blood Cells
Blood consists of red blood cells, white blood cells, platelets and plasma. White blood cells are our warriors; the army inside our body that protects us from infectious disease and foreign invaders. They make up less than 1% of our...
Mazz Media
White Blood Cells
This live-action video program is about white blood cells. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...
Professor Dave Explains
Bacterial Infections in Humans
Now we know about a wide variety of bacteria, as well as precisely how they can harm us. So how do they get spread around? How do communicable diseases get from host to host? Let's learn all about this process now.
Visual Learning Systems
Understanding Immunity and How it Fights Diseases
This video explains the concept of immunity and the role of the immune system in fighting infections. It discusses how vaccines help create immunity by stimulating the production of antibodies and cells that can inactivate harmful...
Catalyst University
Anatomy & Physiology of Lymph Nodes
In this video, we discuss the following: [1] the basic anatomy of a lymph node [2] how the lymph node mounts an immune response against foreign pathogens in the lymph
FuseSchool
What Are Pathogens?
A pathogen is a microorganism that can cause disease. Pathogens may be viruses, bacteria, protists or fungi. Examples of bacteria infections are cholera, typhoid, food poisoning and gonorrhoea. Examples of viral infections are the flu...
FuseSchool
How are pathogens spread and controlled
Pathogens are disease causing microorganisms. They can be spread in many ways; by direct contact, by water or by air. Different pathogens are spread by different mechanisms. How can transmission be reduced or prevented? Depending upon...
Curated Video
The Role of White Blood Cells in the Immune System
The video provides an explanation of how the immune system works to defend the body against infection from pathogens, using white blood cells. It focuses on two types of white blood cells, phagocytes and lymphocytes, describing their...
FuseSchool
What Are Vaccinations?
Vaccinations protect both humans and animals from a wide range of preventable and potentially serious illnesses. With vaccines, we take advantage of one of the most important aspects of the immune system: the ability to develop...
Visual Learning Systems
Understanding Infectious Diseases and Transmission
This video provides an overview of infectious diseases and how they are transmitted. It explains the role of the immune system in fighting off harmful organisms and highlights various ways pathogens can be spread, including direct and...
Visual Learning Systems
Active and Passive Immunity Explained
This video explains the two main types of immunity - active and passive. Also, the video highlights the importance of vaccines in developing immunity and how they have greatly improved human life. Investigating the Immune System part 6/9
Professor Dave Explains
Viruses: Molecular Hijackers
Most of us know about viruses, and that they spread disease. But what is a virus exactly? Is it alive? How does it infect a host? There's a lot to discuss here! Take a look.
Getty Images
Swine flu virus particles (virions). The 2009 swine flu pandemic is caused by an H1N1 subtype of the influenza virus
Swine flu virus particles (virions). The 2009 swine flu pandemic is caused by an H1N1 subtype of the influenza virus
Getty Images
HIV particles budding. Animation of HIV (human immunodeficiency virus) budding from a host cell
HIV particles budding. Animation of HIV (human immunodeficiency virus) budding from a host cell
Getty Images
HIV particle. Animation of a rotating HIV (human immunodeficiency virus) particle
HIV particle. Animation of a rotating HIV (human immunodeficiency virus) particle
Getty Images
Swine flu virus particles (virions). The 2009 pandemic swine flu is caused by an H1N1 subtype of the influenza virus
Swine flu virus particles (virions). The 2009 pandemic swine flu is caused by an H1N1 subtype of the influenza virus
Getty Images
Spherical bacteria. Animation of clumps of spherical bacteria (cocci). Typical cocci are Staphylococcus and Streptococcus bacteria, but there are many others as well
Spherical bacteria. Animation of clumps of spherical bacteria (cocci). Typical cocci are Staphylococcus and Streptococcus bacteria, but there are many others as well
Getty Images
HIV particle infecting a cell. Animation of an HIV (human immunodeficiency virus) particle infecting a host cell
HIV particle infecting a cell. Animation of an HIV (human immunodeficiency virus) particle infecting a host cell
Getty Images
Neuron cells, synapse. Cold colors.
Fly across a neuron's network, electric impulses passes by them. Dolly. Full HD. Animation created exclusively for iStockphoto.
Getty Images
Macrophage or lymphocyte chasing bacteria
Animation of macrophage or lymphocyte chasing and killing bacteria
Getty Images
Microorganisms - copy space
Microorganisms - copy space - (microscopic view, magnification 200X)