(4) The fragrance of plants' flowers is not only beneficial to their own growth and reproduction, but also beneficial to human beings. The (layered) aroma can stimulate people's respiratory center, thus promoting people to inhale oxygen and expel carbon dioxide. Because the brain has enough oxygen, it can keep people energetic for a long time. In addition, the fragrance information can stay deeply in people's memory, stimulate the sense of smell and enhance people's memory.

Around the floral fragrance, it is written that floral fragrance can attract bees and butterflies to carry on the family line, as well as the internal structure and function of floral fragrance. At the same time, it also tells us that the fragrance of flowers is beneficial to human health and can cure diseases. Different kinds of flowers can cause different feelings of human senses. In a word, this paper is about the many functions of floral fragrance.

I hope it helps you!