ALPHABETICAL BRAIN™ VOCABULARY OLFACTORY GLANDS = These two small clumps of neurons are situated in your limbic system pointing to the front on both sides of your brain. They are known as the "nerve/body" system and they respond to the smell molecules in the sinuses in the back of your nose. When you smell anything, neurons die. But they are quickly replaced by neurogenesis. instantly return to: LIMBIC SYSTEM produced by Infinite Interactive Ideas™