As sounds and odors trigger changes in the patterns of action potentials in sensory neurons, the brain perceive which sense is which as : axons from different sensory neurons go to different areas of the brain.
Sensory neurons are the nerve cells that get activated by sensory input from the environment. For example, when you touch hot surface with fingertips, then the sensory neurons will be the ones firing and sending signals to the rest of the nervous system about the information they have received.
Sensory nerves carry signals to the brain to help you touch, taste, smell and see whereas motor nerves carry signals to your muscles or glands to help you move and function.
To know more about sensory neurons, refer
https://brainly.com/question/12385966
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