Secondary Catalogue

Biology


The Terrestrial Zone

The Terrestrial Zone

The Pond: Community Ecology in Action

The terrestrial zone is the area of land around the pond that is not regularly inundated with water. This video looks at biotic and abiotic factors in the terrestrial zone, discussing the flora and fauna found in this zone and the potential...Show More
The Littoral Zone: Food Chains and Food Webs

The Littoral Zone: Food Chains and Food Webs

The Pond: Community Ecology in Action

The organisms found in the littoral zone are critical for the biological cycling of abiotic factors. This video explores the complex relationships between primary producers, lower level consumers and higher order consumers and how they can be...Show More
The Limnetic Zone

The Limnetic Zone

The Pond: Community Ecology in Action

The euphotic and profundal zones, which together comprise the limnetic zone, are home to a variety of organisms. This video looks at the characteristics of primary producers and consumers and how energy is transferred and lost through the...Show More
The Benthic Zone

The Benthic Zone

The Pond: Community Ecology in Action

The benthic zone teems with life and biodiversity and acts like the digestive system of the pond. This video explains how organisms here have adapted to living in conditions of low light and low oxygen and why they are crucial for processes of...Show More
The Littoral Zone: Photosynthesis

The Littoral Zone: Photosynthesis

The Pond: Community Ecology in Action

The plants found in the littoral zone play an important role in maintaining and supporting the biotic and abiotic conditions of a healthy pond. This video explains how these plants photosynthesise, looking at the role reeds and rushes play in...Show More
The Still Water Pond

The Still Water Pond

The Pond: Community Ecology in Action

A pond is an ideal place to see how living and non-living things interact with each other and their environment. This video introduces key aspects of pond ecosystems, explaining how abiotic factors define the four pond zones and how relationships...Show More
Functions of the Human Skeleton

Functions of the Human Skeleton

Systems of the Human Body: Skeletal System

The skeleton plays a crucial role in all vertebrates, including humans. This video introduces viewers to the role of the human skeleton, covering the key functions of shape, movement, protection, blood cell production and mineral storage....Show More
Bone Health and Disease

Bone Health and Disease

Systems of the Human Body: Skeletal System

There are many diseases, both historical and still widespread today, that are related to the health of our bones. This video discusses rickets, spina bifida, scoliosis, osteoporosis and arthritis, explaining their causes and methods of treatment...Show More
Injuries and Healing

Injuries and Healing

Systems of the Human Body: Skeletal System

Knowing what bones are made from is essential for understanding what happens when they break and mend. This video guides viewers through the minerals and proteins in bones and the two types of bone tissue, then explains the various...Show More
Joints and Movement

Joints and Movement

Systems of the Human Body: Skeletal System

The points at which bones connect with each other, or the joints, are critical for the body’s range of movement. This video explains the structural and functional classifications of joints, providing detailed descriptions and examples of...Show More
Structure of the Skeleton

Structure of the Skeleton

Systems of the Human Body: Skeletal System

The human skeleton contains up to 206 bones, arranged in a particular structure to fulfil their unique functions. This video comprehensively covers different types of bones and their function, the axial and appendicular skeletons and includes a...Show More
Vascular Tissue

Vascular Tissue

Plants in the Natural Environment

The body of higher plants is made up of three basic types of tissue, namely, the dermal tissue, the ground tissue, and the vascular tissue. The primary components of the vascular tissue are the water and mineral conducting xylem tissue, and the...Show More
Tropisms in Plants

Tropisms in Plants

Plants in the Natural Environment

Plants respond to different stimuli by displaying certain movements. The movement in plants in response to external stimuli is called tropism. Plants grow towards or away from light. This is called phototropism. Gravitropism is a type of tropism...Show More
Photosynthesis

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.