Several types of cells in the immune system engulf microorganisms via phagocytosis. 1  Neutrophils. 2  Neutrophils are abundant in the blood, quickly enter tissues, and phagocytize pathogens in acute inflammation. 3  Macrophages. 4  Macrophages are closely related to monocytes in the blood.
Snowfall in Flagstaff ranged from 5 inches to 9 inches, with 8.6 inches at Flagstaff Pulliam Airport. Official record-keeping on Flagstaff's weather began on September 9, 1898, and a 30-year period ending in 2000 has been used in the last decade to determine what is average weather-wise.
How Many Snowstorms Flagstaff Gets. Most days of snowfall in Flagstaff leave at least an inch of fresh snow on the ground. For 12 days a year on average, the amount of new snow totals at three inches or more. Snowstorms of over five inches a day normally occur seven times a year. Major blizzards that dump ten inches or more in one day typically show up once or twice a year.