There are many different cell types and sub-types involved in the immune system. Some of the main types include: Lymphocytes: are white cells which circulate between blood and lymph. They play an important role in fighting infection.
After about 50 to 60 days, beets are ready to harvest. Not only can the roots be dug up and chopped to add flavor to a meal, but the greens of the beets can be harvested periodically and put in salads. Given how well these beets fare in different weather conditions, they can be grown several times in a summer.
Having beets that are already cooked and ready-to-use is a time-saving benefit because fresh beets take 35 to 60 minutes to cook and then they must be peeled before you can use them in a dish. With only a few exceptions, canned beets have about the same nutritional value as fresh beets.