You hear a really loud bear call. Place in order what happens to that sound and your response to that sound. Place in order from 1-19 1. Nerves in your legs trigger your muscles to move and you begin to run. 2.Information travels to cochlear nucleus on the medulla oblongata 3.Hair cells are stimulated, depolarized, and send signal to this cranial nerve. 4. Information is sent to auditory association area where it is interpreted 5. Endolymph causes tectorial membrane to move. 6.Stapes begins to move 7. Sound information travel on the cochlear nerve. Information reaches auditory cortex 8. Vestibular membrane is pushed down stimulating endolymph. 9. Information is send to primary motor cortex 10. Information travels to inferior colliculus 11.Sound waves pound on tympanic membrane 12. Perilymph begins to move in vestibular duct 13. Pounds on the ovale window of the cochlea 14.Sound waves move through external acoustic meatus/auditory canal 15.Malleus begins to move 16. Information is send down to the thalamus and down the spinal cord to the nerves in your legs . 17. Incus begins to move 18. Sound waves are collected by the auricle 19.Information travels to medial geniculate nucleus

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Anatomy and Physiology of Special Sensory Organs

Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.

Sensory Receptors

The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.