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Senses SCI Human Biology - 1 Assigned: 10/16 Due: 10/17 14.1 Define sensory receptors. 274 They are dendrites specialized to detect certain types of stimuli. Give examples of exteroceptors. 274 They are sensory receptors that detect stimuli from outside the body such as those that result in taste, smell, vision, hearing, and exuilibrium Give examples of interoceptors. 274 They receive stimuli from inside the body. Among interceptors, presoreceptors respond to changes in blood pressure

Which type of receptors only detect information and send information to the brain but do not regulate the body's homeostasis. 274 The exteroceptors such as those in the eyes and ears are not directly involved in homeostasis and continually send messages to the central nervous system regarding environmental conditions Describe (in detail) and give examples of each of the following receptor types...(274) Chemoreceptors Respond to chemical substances in the immediate vicinity. Things such as taste and smell use this receptor to detect external stimuli. pain receptors a type of chemorecptor they are naked dendrites that respond to chemicals released bydamaged tissues. Pain receptors are protective because they alert us to possible danger. photoreceptors respond to light energy. Our eyes contain photoreceptors that are sensitive to light rays and thereby provide us with a sense of vision. Mechanoreceptors Stimulated by mechanical forces most result in a sort of pressure. When we hear airborne sound waves are converted to fluid borne pressure waves that can be detected by mechanoreceptors in the inner ear Thermoreceptors placed in the hypothalamus and skin are stimulated by temperature.

Explain in a five point paragraph the sense of taste (278), smell (278) or vision (280).

The sense of taste. There are about 3000 taste buds on the human tongue. Most of these taste buds lie on the papillae, or the small elevations in the tongue. There are also taste buds located on your epiglottis and the pharynx. The ridges on your tongue are visible to the naked eye. The four types are sweet sour salty and bitter. The fith is called umami for cheese beef broth and some seafood. Certain types of food are for certain parts o the tongue.