Secondary Catalogue

Biology


Photosynthesis

Life in the Sea

Photosynthesis supplies all oxygen for life, and it began in the sea. Amazingly, it all relies on one basic kind of chemical reaction that was achieved over two billion years ago by cyanobacteria, and cyanobacteria living as endosymbionts in...Show More
Medicines: A Brief Guide to Metformin

Medicines: A Brief Guide to Metformin

Understanding Diabetes

Metformin is the most common medicine given to people with Type 2 Diabetes. The clip gives a brief overview of how metformin works, and who it is suitable for.
Medicines: A Brief Guide to Gliptins and Other Incretin Therapies

Medicines: A Brief Guide to Gliptins and Other Incretin Therapies

Understanding Diabetes

This short clip looks at the different ways that incretin therapies are used to aid the breakdown of sugars in people with diabetes.
Medicines: A Brief Guide to Glitazones

Medicines: A Brief Guide to Glitazones

Understanding Diabetes

Glitazones help increase the insulin sensitivity in patients with Type 2 Diabetes. This short clip explains when and how glitazones are used to treat diabetes.
Medicines: How Insulin Works

Medicines: How Insulin Works

Understanding Diabetes

A short clip describing how insulin is used by cells for energy and what happens when it is not used correctly.
Management and Treatment of Diabetes

Management and Treatment of Diabetes

Understanding Diabetes

The video introduces learners to the importance of weight and exercise in the management of diabetes. They will also learn about how medicines, blood glucose control, and HbA1c are used to treat diabetes.
Symptoms and Complications of Diabetes

Symptoms and Complications of Diabetes

Understanding Diabetes

The video looks at the symptoms of diabetes, such as tiredness, weight loss and more frequent urination. It also looks at the long-term complications that can arise from diabetes.
Types of Diabetes

Types of Diabetes

Understanding Diabetes

The short clip introduces learners to diabetes. They will learn about the different types of diabetes, and how they occur.
Heat and the Human Body

Heat and the Human Body

Shedding Light on Heat

In the final episode, 'Heat and the Human Body', we look at the brilliant systems within our bodies that allow us to maintain a more-or-less constant body temperature regardless of the weather conditions. Sweating, shivering, pumping more blood...Show More
Respiration in Animals

Respiration in Animals

Respiration

This video explains respiration in animals through their gills, lungs, skin, and air holes.
Inhalation and Exhalation

Inhalation and Exhalation

Respiration

This video illustrates the movements of the diaphragm and ribs during inhalation and exhalation, and explains the exchange of gases in the alveoli.
Types of Cellular Respiration

Types of Cellular Respiration

Respiration

This video describes the different types of cellular respiration, including aerobic cellular respiration and anaerobic cellular respiration.
Organs of the Human Respiratory System

Organs of the Human Respiratory System

Respiration

This video introduces and explains the different functions of the organs within the human respiratory system.
Beaches

Beaches

Life in the Sea

Everyone likes to visit the beach. But for living things a beach represents one of the toughest environments on earth. Beaches are in constant flux, hammered by waves and wind and extremes of temperature, sometimes submerged and sometimes dry....Show More
Scientific Research, Technology and the Environment

Scientific Research, Technology and the Environment

Environmental Systems

While ecosystems face increasing pressure from human activity, science plays a critical role in controlling and minimising harmful effects. This clip explores the role of science and technology in identifying impacts on ecosystems and finding...Show More
Ecosystems: Energy and Matter

Ecosystems: Energy and Matter

Environmental Systems

Every organism lives in an ecosystem. This clip defines and looks at different types of ecosystems, and explores two critical processes that go on within them – energy flow and the cycling of matter. It is ideal for middle to upper level...Show More
Human Impact on Ecosystems

Human Impact on Ecosystems

Environmental Systems

Humans have caused massive changes to the natural balance of ecosystems around the globe. This clip examines some of the most dramatic and destructive ways in which people have impacted ecosystems – covering climate change, pollution,...Show More
Biogeochemical Cycles

Biogeochemical Cycles

Environmental Systems

Our planet has four spheres – the lithosphere, biosphere, atmosphere, and hydrosphere. This clip provides an overview of vital biogeochemical cycles that occur across the four spheres, including the nitrogen, phosphorous, water, and carbon...Show More

Cellular Processes in Human Systems

Cellular Biology

Cells are the basic units of structure and function in living beings. These undergo certain processes that ensure the survival of the organism.

Cellular Respiration - Pyruvate Oxidation

Cellular Biology

Molecules of pyruvate are transported from the cytoplasm of the cell into the mitochondria for the oxidation of pyruvate to acetyl co-enzyme A. Step one involves the decarboxylation of the pyruvic acid. In the step two, the two - carbon molecule...Show More

Structure and Function of Carbohydrates

Cellular Biology

Carbohydrate is a biological molecule consisting of carbon (C), hydrogen (H), and oxygen (O) atoms. A carbohydrate molecule with three to seven carbon atoms and the corresponding number of hydrogen and oxygen atoms is called a monosaccharide. Two...Show More
Estuaries

Estuaries

Life in the Sea

Estuaries… many of us live on or near an estuary and maybe use it for boating or fishing or swimming, or even just for the view. Estuaries are often at the heart of coastal cities. But what’s their story? What’s happening under the water...Show More
The Lymphatic System

The Lymphatic System

Life Processes

This video teaches students about the lymphatic system. Students will learn about the various lymphatic vessels and the important role that they play in our body.
The Valves of the Human Heart

The Valves of the Human Heart

Life Processes

‘The Valves of the Human Heart’ explains the different valves controlling how blood flows in the heart during a heartbeat. Students will learn about why these valves are important to ensure that blood only moves in one direction.
The Cardiac Cycle

The Cardiac Cycle

Life Processes

The cardiac cycle explores the different phases in a heartbeat. This video will introduce students to the events that occur during a heartbeat, and why they produce different sounds.