Respiratory system

The respiratory system is responsible for the intake of oxygen and the release of carbon dioxide.

Viruses

Viruses consist of protein and DNA or RNA, they reprogram infected cells to produce more viruses.

Parts of the human body

This animation demonstrates the parts of the head, the torso and the limbs.

Santa Maria (15th century)

Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his first, landmark voyage.

Veiled chameleon

Chameleons are reptiles with an ability to change their colours.

The human blood

Human blood consists of blood cells and plasma.

Watt´s steam engine (18th century)

The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.

Bastille (Paris, 18th century)

The Parisian prison became legendary after the Revolution of 1789.

The human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum.

Tower of London (16th century)

The intriguing history of this historic castle spans nearly a thousand years.

Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.

3D puzzle

This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.

Anatomy of the small intestine

The longest part of the digestive system, where most of the digestion and absorption takes place.

Galileo Galilei's workshop

Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.

DNA

Carrier of genetic information in cells.

Voice production

When producing sound, the vocal cords are vibrated by the air flowing out of the lung.

Watermill

Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.

Nervous system

The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.

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