23. Because these cells engulf a lot of pathogens, they are called23 24. These c

Question

23. Because these cells engulf a lot of pathogens, they are called23 24. These cells are responsible for keeping tumor growth in 25. These cells secrete histamine at a site of infection. 26. These leukocytes are elevated when there is a parasite in the 25 "big eaters", which is the meaning of their name. check. 24 body or during an allergic reaction. 27. These lymphocytes come in helper and cytotoxic/killer 2 forms. These specific B cells are responsible for a quick response if you are ever re-infected with a particular pathogen. They can live 10 years or more allowing the immune system to "remember" a specific pathogen. These specific B cells are responsible for mass production of antibodies during an infection, however they only last about 3 months. 28. 29. These specific T cells attack infected body cells and secrete molecules that destroy the cell and its DNA 30. These specific T cells play a major role in regulating the adaptive immune response, even though they don't destroy the pathogens themselves. 31. These star-shaped immune cells are very effective antigen- presenting cells for fighting viral infections. 32.

Explanation / Answer

Ans- 23 the meaning of their name is that they are big in size and engulf the whole pathogen. They are also know as macrophages.

Ans-24 natural killer cells are responsible for the in check of tumor cell growth because these cells kills the tumor cells naturally.

Ans-25 mast cells and basophils are responsible for the secretion of histamine when infection occur.

Ans-26 the T lymphocytes are known to act as helper and cytotoxic killer cells.

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