Anatomy of the spinal cord

The spinal cord is the part of the central nervous system running inside the spinal column from which spinal nerves branch out.

Nervous system

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

The city of Babylon (6th century BC)

The ancient city of Babylon was built on the banks of the Euphrates River in Mesopotamia.

Voice production

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

Anatomy of the small intestine

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

Connective tissues

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

Mechanism of taste reception

Taste receptors convert chemical stimuli into electric signals.

Middle ear infection, otitis media

This animation shows the symptoms and treatment of secretory otitis media.

The sense of balance

The position and acceleration of the head is detected by the inner ear.

Parts of the human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.

Wonders of the Ancient World

Today only one of the Wonders of the Ancient World is still intact: the Pyramids of Giza.

Nose, the mechanism of smelling

Olfactory receptors produce electric signals when stimulated by odours.

Muscle tissues

The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Synaptic transmission

Neurons transmit electrical signals via chemical and electrical synapses.

Types of ancient Greek columns

The Doric, Ionic and Corinthian order of columns are different in size and ornamentation as well.

Moai (Easter Island, 16th century)

This Pacific island is famous for its unique monolithic human figures.

The anatomy of leaves

This animation presents the main types of leaves and the differences between monocot and dicot leaves.

Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

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