Confidence votes 423. The White Blood Cells White blood cells fight disease, kill bacteria, combat allergic reactions, destroy old and/or damaged cells, kill invalid organisms, and are attracted to the immune system.hite blood cells are able to pass thr â¦ ough the capillary walls to fight infections and germs that find ways into the body. The number of white blood cells make up about 1% of the blood in a healthy adult.
Yogurt, yoghurt, or yoghourt (/ËjoÊÉ¡Ért/ or /ËjÉÉ¡Ét/ ; from Turkish: yoÄurt; other spellings listed below) is a food produced by bacterial fermentation of milk. The bacteria used to make yogurt are known as yogurt cultures.Fermentation of lactose by these bacteria produces lactic acid, which acts on milk protein to give yogurt its texture and characteristic tang. Worldwide, cow 's milk, the protein of which is mainly casein, is most commonly used to make yogurt.Milk from water buffalo, goats, ewes, mares, camels, and yaks, however, is also used to produce yogurt in various parts of the world.orldwide, cow 's milk, the protein of which is mainly casein, is most commonly used to make yogurt. Milk from water buffalo, goats, ewes, mares, camels, and yaks, however, is also used to produce yogurt in various parts of the world.
Plain and simple, yogurt is the result of bacterial fermentation of milk. All you need is pasteurized milk and bacteria. During this process, bacterial strains such as Lactobacillus and Bifidus â just two of the many types of lactic acid microorganisms â convert lactose sugars in milk into lactic acid.