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Receptor neurons in the nostrils first detect an odor by coming into contact with and reacting to gas molecules of the substance. Then the receptor neurons send information about the odor along the olfactory nerve to the brain.
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∙ 11y ago
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∙ 11y agostung them
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What is the cell called in the nose?
The cells responsible for our sense of smell are called neurons, specifically olfactory receptor neurons. They are linked directly to the brain, and respond to different chemical signals to generate what we then perceive as smells and odors.
Where are olfactory receptor cells located?
They are specialised neurons in direct communication with the olfactory lobe in the brain. They differ from other neurons in having exposed receptor sites in the nasal mucosa that bind to various odoriferous chemicals. When a specific chemical binds to its appropriate receptor site, the neuron foires, releasing the chemical which may well trigger a lot more neurons. This way the brain can distinguish what smells are important. The system is poorly developed in man, but the dog has 100,000 times more receptors than we have. That's why drug sniffing dogs can find your stash so easily... Partial answer: they are found in the nose, they serve to smell and identify smells, and they play a significant role in the taste of food.
Where does the brain receptor cells store unique smells?
temporal lobe
Why is mucous important for smell?
The enzymes in nasal mucus change the way humans perceive smells. Without the enzymes, the smells cannot be identified by our brains.
What are 3 kinds of neurons?
Types of Neurons While there are many different kinds of neurons, there are three broad categories based on function:1. Sensory neurons are sensitive to various non-neural stimuli. There are sensory neurons in the skin, muscles, joints, and organs that indicate pressure, temperature, and pain. There are more specialized neurons in the nose and tongue that are sensitive to the molecular shapes we perceive as tastes and smells. Neurons in the inner ear are sensitive to vibration, and provide us with information about sound. And the rods and cones of the retina are sensitive to light, and allow us to see.2. Motor neurons are able to stimulate muscle cells throughout the body, including the muscles of the heart, diaphragm, intestines, bladder, and glands.3. Interneurons are the neurons that provide connections between sensory and motor neurons, as well as between themselves. The neurons of the central nervous system, including the brain, are all interneurons.Most neurons are collected into "packages" of one sort or another, sometimes visible to the naked eye. A clump of neuron cell bodies, for example, is called a ganglion (plural: ganglia) or a nucleus (plural: nuclei). A fiber made up of many axons is called a nerve. In the brain and spinal cord, areas that are mostly axons are called white matter, and it is possible to differentiate pathways or tracts of these axons. Areas that include large number of cell bodies are called gray matter.
What smells do people hate?
A skunk.
Is the number of neurons remain constant throughout the life of an individual?
No. When you are born, you have the most neurons you will ever have. Until you are in your early 20's your brain continues to "trim" neurons from your brain, a mechanism that aids in learning and development. After this point, as you age, you begin to lose neurons, simply from age. After brain development is complete in utero, there are only two locations in the brain that are capable of generating new neurons: the hippocampus (thought to play a role in learning new information) and the olfactory bulb (learning and recognizing new smells).
How many different smells can most people smell?
about 10,000 different smells. i hope this helped
What are perfume and cologne?
Perfume and cologne are types of smells that can be sprayed on people or things. These smells are supposed to be pleasant.
Why do people run away when you fart?
it smells.
Does fear have smell?
People say that fear smells like sweat, but really it smells like metal almost.
What is the condition where people 'see' sounds or smells?
Synesthesia.
