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.
Yogurt. Pronounce it: yog-ert. Yogurt is made by adding a number of types of harmless bacteria to milk, causing it to ferment. This thickens it and gives it its characteristically tangy flavour. Cow's milk is the most common type used, but goat's, ewe's, sheep or buffalo's milk are also suitable.here are a number of different types to choose from-some yogurts will fall into more than one category-for example whole milk bio yogurt.