Olfactory information is received by sensory neurons, like the olfactory nerve, that are in a covered cavity separated from the aquatic environment by mucus Because they are in almost direct contact with the surrounding environment, these neurons are vulnerable to environmental changes.
Olfactory information is received by sensory neurons. This was like the olfactory nerve. The olfactory nerve are in a covered cavity. This covered cavity is separated from the aquatic environment by mucus. These neurons are vulnerable to environmental changes mucus. They are in almost direct contact with the surrounding environment.