The ear converts the vibrations of air into electric signals which are then processed by the brain.
This animation introduces the most important organ systems of the human body.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.
The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.
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.
The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.
Olfactory receptors produce electric signals when stimulated by odors.
This animation demonstrates the fine molecular structure and mechanism of muscles.
Our body´s internal support structure to which skeletal muscles are attached.
Neurons transmit electrical signals via chemical and electrical synapses.
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.
The head's position and movement is detected by the inner ear.
Human blood consists of blood cells and plasma.
This animation demonstrates the development of the human embryo and fetus.
This animation demonstrates the internal structure of the brain.