Ausys oro vibracijas paverčia elektros signalais, kurie po to apdorojami smegenyse.
„Stačiasis žmogus“ jau gamino darbo įrankius ir naudojo ugnį.
Žmogaus evoliucijos metu smegenys ir kaukolė patyrė didelių pokyčių.
Šioje animacijoje vaizduojamos svarbiausios žmogaus kūno sistemos.
This scene presents the basic components of the human body.
Human bones are joined together by cartilaginous or synovial joints, sutures or they can fuse together.
The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.
When producing sound, the vocal cords are vibrated by the air flowing out of the lung.
The longest part of the digestive system, where most of the digestion and absorption takes place.
Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.
The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum.
Taste receptors convert chemical stimuli into electric signals.
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Olfactory receptors produce electric signals when stimulated by odours.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
This animation demonstrates the fine molecular structure and mechanism of muscles.
Neurons transmit electrical signals via chemical and electrical synapses.
Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.
The position and acceleration of the head is detected by the inner ear.