WebThere are several types of white blood cell. Phagocytes About 70 per cent of white blood cells are phagocytes. Phagocytes engulf and destroy unwanted microorganisms that enter the... WebWhen a white blood cell engulfs and digests a pathogen it is called phagocytosis. This causes the immune system, specifically the white blood cells, to produce complementary antibodies,...
Functions - The circulatory system (CCEA) - BBC Bitesize
WebA second exposure to the antigen that was in the vaccine, or to the same pathogen that made the person ill before, causes the white blood cells to respond much more quickly this time. This is... WebWhite blood cells There are several main types of white blood cell. Phagocytes About 70 per cent of white blood cells are phagocytes. Phagocytes engulf and digest unwanted... chips currywurst style
Treating, curing and preventing disease - AQA - BBC Bitesize
WebThe diagram shows the size of three organisms, different cells and other structures. Sizes can be compared using a straightforward calculation. For instance, the length of the leaf cell above... WebAbout 70 per cent of white blood cells are phagocytes. Phagocytes engulf and digest unwanted microorganisms that enter the blood, by the process of phagocytosis. WebTreating, curing and preventing disease The immune system defends humans from pathogens. Physical and chemical barriers prevent infection. White blood cells attack pathogens. Immunisations... grapevine texas luxury apartments