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This animation presents some animals and plants that lived between the Devonian and Permian periods (358–299 million years ago).
The liver is a vital organ that plays an important role in the digestion of fats, detoxification and metabolism.
A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the oesophagus.
Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length.
This scene shows the main organs of the human body.
This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.
Horses are domesticated odd-toed ungulates that are used for many purposes.
Black pepper is one of the world's oldest and best-known spices.
The loggerhead sea turtle is one of the most common species of turtles in the Mediterranean Sea.
The great spotted woodpecker highly depends on woodland habitat, which is reflected in its anatomy and lifestyle as well.
Find out interesting pieces of information about the communication of animals.
This lesson presents the development of human speech and the structure and functioning of the organs of speech.
In this lesson you will learn about the basics of speech perception and language acquisition.
This lesson presents the structure and classification of bacteria and the role they play in our lives.
Learn about the human sense organs and their functions and how to keep them healthy.
The lesson presents the components of a healthy diet.
Plants also move. Although they do not have muscles, they can change the position of their organs.
Let's catch a glimpse into the world of microscopic unicellular organisms!
The lesson introduces you to various types of teeth and their functions.