Airport

Airports provide infrastructure and services necessary for aviation.

Port

Ports must provide necessary infrastructure and services for industry and marine transport.

The sense organs

Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.

Axolotl

The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.

Ukrainian Cossack (17th century)

Cossacks, members of independent semi-military communities, played an important role in the history of Ukraine.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid response in stressful situations.

Edible frog

This animation demonstrates the anatomy of amphibians through the example of a common species of frogs.

Bone structure

This scene explains the structure and functions of the bones.

Amoeba proteus

Widespread heterotrophic unicellular organisms with constantly changing shapes

Jellyfish

Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group of Eumetazoans.

Sponge

The most ancient group of animals, they live underwater, lack real tissues and body symmetry.

Horse chestnut

This animation demonstrates how horse chestnut trees change throughout the seasons

English alphabet game

Practise the English alphabet, build words from letters.

German alphabet game

Practise the German alphabet and form words from the letters.

Russian alphabet game

Practise the Russian alphabet, build words from letters.

Types of gears

Two meshing gears transmit torque during their rotational motion.

Types of bridges

Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.

System of public utilities

System that satisfies consumers’ demands of water supply, wastewater disposal, electricity, heat and gas supply and telecommunication.

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