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Olfactory receptors produce electric signals when stimulated by odors.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.
This animation shows the symptoms and treatment of secretory otitis media.
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the esophagus.
The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.
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.
Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.
During swallowing food travels from the mouth cavity into the stomach.
Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.
When producing sound, the vocal cords are vibrated by the air flowing out of the lung.
This animation helps you learn the basics of healthy eating.
The ear converts the vibrations of air into electric signals which are then processed by the brain.
The head's position and movement is detected by the inner ear.