Paramecium caudatum

Common ciliated eucaryotic unicellular organisms widespread in freshwaters.

Common carp

Freshwater fish used as food in many parts of the world.


This animation demonstrates the anatomy of birds through the example of mallards.

Male reproductive system

The reproductive system consists of organs which work together for the purpose of reproduction.

Types of surface epithelium

Surface epithelia cover the external and internal surfaces of the body

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Underground waters

Groundwater and aquifers are types of underground waters.

Types of synovial joints

Synovial joints can be categorised by the direction of movement they allow.

Location of origin of livestock and crops

Domesticated animals and crops originate from various parts of the world.

Patellar reflex

The reflex triggered by the stretching of the thigh extensor muscle is the patellar reflex.

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.


The zygote is the initial cell formed when two gamete cells are joined by means of sexual reproduction.

How does it work? - Digital camera

This animation demonstrates the structure and operation of digital cameras.

Endocrine system

Glands of the endocrine system secrete hormones into the blood.

Mid-latitude cyclone and anticyclone

Cyclones are large areas of circulating air with clouds and precipitation being formed in its centre.

Water turbine, generator

Water turbines convert the kinetic energy of water into electric current.

Large white butterfly

The large white butterfly is a common species of butterflies, through which we demonstrate the anatomy of butterflies.

Medieval Chinese Emperor

The Emperor of the vast Far-Eastern empire was the lord of life and death.

Dividing Space into Regions by 3 Planes

Division of space by three intersecting planes in several different arrangements.

Cities of the world

This animation demonstrates the geographical locations of the Earth's major cities.

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