What does the fifth paragraph illustrate with dandelion and carrot flowers as examples?

The fifth paragraph takes dandelion and carrot flowers as examples to show that flowers have different sleeping positions.

Dandelion is a common medicinal and edible plant in China. It is recorded in Tang Materia Medica, a classic of Chinese medicine, that dandelion can clear away heat and toxic materials, treat sores, reduce swelling, dissipate blood stasis and dissipate stagnation, and is called "Cordyceps sinensis" by the ancients, which is enough to show the health care and medicinal value of dandelion. Dandelion is known as "natural antibiotic", and its antibacterial and anti-inflammatory effects come from chlorogenic acid contained in it.

Dandelion root is rich in nutrition, such as polysaccharide, protein, vitamin E, vitamin C and so on. It can promote human metabolism, enhance blood circulation, help expel metabolic toxins, and be beneficial to the health of the liver. In addition, the bitter root can also promote bile secretion, help digestion and absorption, and have the effect of nourishing the stomach.

Carrot flower:

Carrots will blossom. Their flowers are small, dense, white and clusters of umbels. It usually blooms in May-July every year. It will take some time to control mites, chloasma, powdery mildew and other diseases after flowering. Be sure to keep the soil moist to meet the water demand of mature seeds, make the seeds mature and full, and pay attention to weeding after flowering.

Carrots are generally difficult to bloom. If potted plants are planted indoors to raise flowers, it is a good omen, which means that the owner's career is smooth sailing. Put it in the south of the living room or on both sides of the door, it can bring wealth and the family will be promoted step by step. It also means that the family will be happy and healthy forever.