Search results

Listed under:  Science  >  Life  >  Animal structure and function  >  Body systems  >  Immune system
Video

Why do people get itchy?

Ever wondered what's happening when you get an itch? Watch as Dr Karl Kruszelnicki explains. What are the nerves under your skin reacting to, when they get triggered into action? What is the itch sensation telling your body?

Video

How does the retina work?

When electrons in your retina absorb photons of light they don't emit light, they cause a molecule to change shape - and that lets you see colour!

Text

Animal survivor

This resource provides a scaffold for students to analyse the features of a Queensland animal and relate them to its survival success. Students then conduct the animal design challenge: Engineering new features for their animal to increase its chance of survival and future success. Students also make predictions about how ...

Video

BTN: Colour blindness - seeing the world differently

The ability to see colours is an important human trait, but did you know some people's colour vision is impaired. View this clip to discover what it means to be colourblind and how it happens. Find out also about the extraordinary colour vision of the dunnart, and why it is important for this nocturnal marsupial.

Interactive

CDC Control the Disease Outbreak - iTunes app

Become a disease detective and solve the outbreak by analysing information and data provided in clues, tables and graphs. Find out about professions in disease control and prevention such as epidemiologists and earn badges as you progress through the outbreaks at each level For teachers there are some lesson plans and website ...

Video

BTN: Cancer - when the baddies take over

Cancer is a major disease in Australia and there are many different types, including leukaemia, and breast and skin cancers. View this clip to discover more about how cancer forms, why it occurs, and what cancer research is being done.

Video

BTN: Wasted by alcohol abuse

Consuming alcohol affects our bodies. Find out what alcohol actually does inside the human body and the organ that 'fights' to reduce its harmful effects. Discover why alcohol is literally a 'waste' product.

Online

Vitamania: vitamin profiles

Most people know that vitamins are an essential daily requirement for a healthy life, but few people really know how or why. Vitamins need to be examined individually to understand and appreciate their differences and specific importance to our bodily functions. This lesson plan with supporting video clips, introduces students ...

Online

Collisions and biomechanics lesson

This lesson plan investigates ways in which automobile manufacturers seek to reduce injuries that occur in car accidents. Students note the effects of car accidents on human bodies, the factors that influence the type and severity of injuries, and the safety ratings of vehicles in which they travel regularly. The resource ...

Audio

Diabetes type 2 cured by surgery ABC Radio national

Download the audio or view the transcript of this ABC radio program. It is an excellent example of how approaching a problem from a different perspective and with an open mind may result in an amazing solution. Richard Stubbs, and New Zealand scientist, claims type 2 diabetes is a disease of the gut. If his hypothesis is ...

Interactive

Micro-organisms

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the different types of microbes that can cause disease. There is a two-question quiz and a summary slide.

Interactive

Defence Mechanisms of the Body

This resource consists of 3 sets of automated illustrated slides with voice over presenting detailed information about the bodies defence against pathogens and examples of diseases and their pathogens.

Video

Complex pain

This 15 minute video segment from Catalyst describes Complex Regional Pain Syndrome, condition where pain never goes away after an injury and even gets worse. The pain becomes a disease in its own right.

Interactive

Artificial Immunity

This resource consists of 2 sets of automated illustrated slides with voice over presenting detailed information and explanations of the role of vaccines in offering artificial immunity against disease.

Video

Stem Cells Repair

This 11 minute video segment from Catalyst is a case study of research in the use of stem cells. It demonstrates the structure of the knee joint and the role of bones and cartilage. Stem cells from bone marrow are collected and used in attempt to prevent the onset of arthritis. This program distinguishes embryonic from ...

Video

Hendra Virus

This 11 minute video segment from Catalyst describes research into the Hendra virus with its high mortality rate and animal vectors.

Audio

Choleric waters still run deep with disease

With 884 million people globally not having access to clean drinking water, it comes as no surprise that cholera keeps on killing. Dr Karl explains arguably the most important medical discovery of the 20th century. An excellent resource for the understanding of why cleanliness of water is fundamental to the control of infectious ...

Audio

Killer cholera begins where other diseases end

This ABC article by Dr Karl continues his examination of the causes, effects and treatments for cholera. A good explanation of how the body responds to the disease cholera and when healthy, maintains a balance in its absorption of water through the digestive system. The historical background to developing treatment for ...

Video

Unforgettable memories

This 10 minute video from Catalyst describes some unusual cases of people with incredible memories and brain functioning and gives a useful introduction to learning about the human nervous system and brain. Information about how memory works provides some useful strategies for revising for exams.

Video

Unlocking the key to why chillies are hot

Have you ever eaten hot chilli and wondered why your mouth feels like it's on fire? Watch this clip to find out all about the science of chillies, including what makes them hot, why they are hot and why they cause so much pain when we eat them.