Common carp

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

Large white butterfly

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

Measuring time

The first calendars and time-measuring instruments were already used by ancient Eastern civilisations.

Conic sections

The conic section is a plane curve that is created when a right circular cone is intersected by a plane.

Grass snake

A type of snake with a characteristic spot on its neck.

The first days in school

Learn the concept of colours, numbers, letters and shapes while playing

Cockchafer (Maybug)

The cockchafer (or maybug) is a widespread bug in Europe. Its larvae, known as chafer grubs are considered a pest.

Medical conditions of the spine

Scoliosis is a medical condition in which a person's spine has a lateral deviation.

Geizeris

Geizeris tai periodiškai trykštanti karšta versmė, kuri išmeta į orą vandens bei garų stulpą.

Patellar reflex

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

NAD⁺, NADP⁺, NADPH

NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.

Types of synovial joints

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

Tooth brushing

Careful tooth brushing is an important part of oral hygiene.

The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

Cube (exercises)

Edges, diagonals and faces of a cube can be identified by its vertices.

Endocrine system

Glands of the endocrine system secrete hormones into the blood.

Female reproductive system (intermediate)

The reproductive system is a series of organs working together for the purpose of reproduction.

Platonic solids

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube.

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