Homeostasis Defined

The flexor thinkal reflex action can be stimulated anywhere on the form ("Sharpen Your Reflexes").
The homeostatic value of such reflexes is predicated on the position that they detect possibly injury before it happens. They can be considered, therefore, a protective mechanism that ensures that the body remains in its normal state of homeostasis and does not incur injury that would part its internal equilibrium. In a intellect, they maintain homeostasis by inspection and repair as an internal warning system that alerts the body to withdraw from the pain, pressure, or other stimulus that is a potential scourge to the homeostasis they protect.
2. Where are the olfactory receptors, and why is that range poorly worthy for their job?
The olfactory receptors are laid in the olfactory epithelium, a specialized patch of epithelial tissue located high in the nasal cavity that is responsible for spotting odors ("Olfactory Receptor"). As numerous as 1,000 contrasting olfactory receptors may be involved in the treat of detecting smells, and each of these receptors is only capable of responding to a minor number of odorants. Each odor must bind to



Winter, S. What's the Connection. Neuroscience Laboratory Activities Manual. Retrieved on August 28, 2005 from: hypertext transfer protocol://www.nabt.org/sup/publications/nlca/nlcapdf/05NLCAchp3.pdf
Frey, R.F., Donlin, M.J. Chemistry 257 Experiment 6: NMR Analysis, IR Analysis and disembodied spirit Testing. Olfraction Tutorial.

Retrieved on August 28, 2005 from: http://www.chemistry.wustl.edu/~edudev/Smell/smell.html
The stereochemical theory of odor suggested by most evidence proposes that the sense of smell is primarily based on the shape of the odorant molecules (Frey & Donlin 2002). Molecules that couple into a similar odor family tend to have to a greater extent or less the same molecular shape and size. When a molecule fits into more than one kind of site, complex odors result. An example would be a molecule that fits sideways into a entire receptor site and end-on into a narrow receptor site (Frey & Donlin 2002). Since each olfactory receptor can only detect one or a very few smells, a great many receptors are required for distinguishing the full range of odors available. This makes the olfactory epithelium a site that is only about 1" wide by 2" long a rather inconveniently located and restrictively


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