Curated Video
Factpack: Pregnancy Timeline
See what's happening during different stages of pregnancy, as the baby changes from conception to birth. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use...
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Fight or Flight
Danger elicits an instinctive biological response. Find out which hormones control whether we run away, or stand our ground and fight. Biology - Being Human - Learning Points. At the first sight of danger, messages are sent to the brain...
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Big Breathers
Marine mammals like dolphins, seals and whales can hold their breath far longer than humans. How do they do this? Biology - Human Body - Learning Points. Underwater mammals, such as humpback whales, can hold their breaths for up to...
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Little Breathers
Find out how humans can overcome biological responses to hold their breath underwater for several minutes. Biology - Human Body - Learning Points. When we hold our breaths, our lungs signal the brain to start breathing again. The human...
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How Did Amphibians Evolve?
Over millions of years, fish species evolved to leave water and survive on land, producing the characteristics shared by all amphibians. Biology - Animal Kingdom - Learning Points. The coelacanth is a lobe-finned fish that evolved 400...
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Heart
The heart powers everything you do. It pumps without you thinking about it, and beats over a billion times in an average lifetime. But how does it work? Biology - Human Body - Learning Points. The heart is the hardest working muscle in...
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Smoking: The Damage
Find out more about the range of toxins in cigarettes and the serious damage they can cause to smoker's lungs. Biology - Human Body - Learning Points. Cigarette smoke damages the lungs. The chemicals in cigarettes irritate the lung...
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Cystic Fibrosis
What is cystic fibrosis? Find out what the symptoms are and how it is caused. Biology - Cells And DNA - Learning Points. Cystic fibrosis is a serious progressive, genetic disease that affects the whole body. Cystic fibrosis is caused by...
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Effects of Smoking
We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...
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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,...
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The Dark Side of Oxygen
We depend on oxygen for life. But in fact, oxygen is corrosive: ageing us, damaging cell DNA, and 'rusting' us from the inside. Biology - Human Body - Learning Points. Oxygen is vital in powering every cell and process in the human body....
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What's in a Cigarette?
Discover the scale and effects of the chemical ingredients in cigarettes. What are smokers breathing in to their lungs, and what effects are these chemicals having on them? Biology - Healthy Living - When a cigarette is burned it...
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Cilia
Tiny, hair-like projections from the surface of a cell that wave in unison to cause movement. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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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...
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The digestive system – Odd one out
Four organs found in the human body are shown, but which is the odd one out? Life processes - Body systems - The digestive system A Twig Tidbit Film - Odd one out. The children have to work out which of four images is the odd one out.
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You are one big chemical reaction
Did you know you are one big walking talking chemical reaction? Material processes - Changing materials - Chemical reactions Learning Points Chemical reactions happen inside the human body. Respiration is a chemical reaction that...
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What is a Mammal? - Mammal Traits
Find out why we classify whales as mammals, not fish. Life processes - Variation and classification - Vertebrates Learning Points Mammals are one of the five types of vertebrates. Mammals give birth to live offspring, suckle their young...
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The Heart - Circulatory System
Explanation of the circulatory system. Life processes - Body systems - The circulatory system Learning Points The heart is a strong muscle that pumps blood throughout the body. Arteries and veins carry blood around the body. A Twig...
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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...
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Dangers of smoking
Warning: Contains footage of smoking. Why do so many people smoke when the risk to their health is so high? Life processes - Humans and other animals - Drug awareness Learning Points Smoking damages health. Smoking increases the...
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What is excretion?
All living things need to excrete, but what do we mean by this? Life processes - Living processes - Excretion Learning Points Excretion is the process of removing waste products. Waste products need to be removed from the body, otherwise...
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Living Things: Human Respiratory System
By the end of this learning object, the student will be able to: Summarize the main points on the human respiratory system.13553
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Ocean Sustainability| Safeguarding our Seas | Plastic Free
This video explores the critical role of oceans in sustaining life on Earth, highlighting their vastness, ecological significance, and the pressing issues of pollution and climate change. It emphasizes the importance of marine ecosystems...
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The Inner Workings: How Our Bodies Use Water, Gas, and Electricity
Venture into the fascinating 'factory' of the human body, where water, gases, and electricity play crucial roles in our daily functions. From hydrating cells and transporting nutrients to facilitating breath and powering the heart,...