Nose, the mechanism of smelling
Olfactory receptors produce electric signals when stimulated by odours.
smelling, nose, perception, sensory organ, olfactory organ, smell, scent, nasal epithelium, olfactory pathway, olfactory bulb, nasal cavity, olfactory nerve, receptor, nasal bone, frontal sinus, cribriform plate, stimulus, impulse conduction, signal, cerebral cortex, central nervous system, nervous system, human, biology
Taste receptors convert chemical stimuli into electric signals.
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 ear converts the vibrations of air into electric signals which are then processed by the brain.
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.
The position and acceleration of the head is detected by the inner ear.
Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.
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.
During swallowing food travels from the mouth cavity into the stomach.