Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.
Our body´s internal support structure to which skeletal muscles are attached.
Electric motors are present in many areas of our everyday lives. Let's learn about the different types.
Seawater, as an external force, plays an important role in shaping coastlines.
Olfactory receptors produce electric signals when stimulated by odours.
Taste receptors convert chemical stimuli into electric signals.
Humans have 4 types of teeth: incisors, canines, premolars and molars.
This animation demonstrates the most important relief features, surface waters and their relevant symbols.
Ancient Egyptians worshipped a large number of gods and goddesses.
A selection of legendary buildings from the history of civilisation.
Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length.
Nuclear power plants convert the energy released during nuclear fission into electric power.
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
Comets are spectacular celestial bodies orbiting the Sun.
This scene summarizes the main organs of the human body.
The heart is the central pump of the cardiovascular system beating several billion times over our lifetime.
Icebergs are blocks of frozen freshwater floating in the sea.
The Moon is the Earth's only natural satellite
Human bones are joined together by cartilaginous or synovial joints, sutures or they can fuse together.
Practice the Hungarian alphabet and form words from the letters.