Onion epidermal cell drawing steps are as follows:

1, first we draw a figure as the cell wall of the onion epidermal cell.

2, in the cell wall of the inner side of the cell wall we draw another amount of graphics for plastic pay v. For the onion epidermal cell cell membrane.

3. Inside the cell membrane we draw another figure for the cell vesicle of the onion epidermal cell.

4, in the left side of the cell vesicle we draw the nucleus of the onion epidermal cell.

5. Between the cell membrane and the vesicles we draw the cytoplasm of the onion epidermal cell.

6, and then ZhuYi in the left side we draw a straight line as our notes line.

7, and finally in the note away from the left side of the purchase line to write the name of each of the onion epidermal cells, so that our picture by the onion epidermal cells on the drawing is good.

Onion (scientific name: Allium cepa), alias ball onion, round onion, jade onion, onion, Dutch onion, skin teeth, etc., Liliaceae, genus Allium biennial herbaceous plants. Onion contains prostaglandin A, which can reduce peripheral vascular resistance and lower blood viscosity, and can be used to lower blood pressure, refresh the mind, relieve stress and prevent colds.

In addition, onions can also remove oxygen free radicals in the body, enhance metabolism, anti-aging, prevention of osteoporosis, is suitable for middle-aged and older people's health care food onion in China is widely distributed, north and south of all over the cultivation, is one of China's main vegetables. China's onion origin mainly in Fujian, Shandong, Gansu, Inner Mongolia, Xinjiang and other places.