could sumone plz tell me about the different types of WBC and their functions?
heey, there r 2 types od WBCs, namely,
1) phagocytes- they ingest the micro organism or pathogen by changing their shape. the cytoplasmic extentions produced by them are knwn as pseudopodin. the pseudopodin surrounds and encloses the pathogen in a vacuole which secretes enzypes that destroy the pathogen.
2) antibody production- carried out by lymphocytes. they produce chemicals called antibodies . antibodies are produced in response of antigens. they cause bacteria to stick together so that phagocytes can inject them easily.
One 'eats' the bacteria and uses the digestive enzyme in it to digest it.
The other type releases antitoxins to neutralize the bacteria and antibodies to counter their attacks.
Their ratio to red blood cells in a healthy person is approximately 1:3 (red cells being the 3)
Hope that's helpful
ratio 1:600 even
hope it helps
the white blood cells-
engulf the pathogen- eat the pathogen
produce antibodies- clog the pathogen
produce antitoxins- neutralises the toxin CheekieMonkie:lurking::lol:;)
All the cell types are white blood cells. Another term for white blood cells is Leucocytes.
Neutrophils - have small granules in the cytoplasm and a lobed nucleus. Engulf microbes through phagocytosis.
Lymphocytes - very large nucleus and little cytoplasm. There are two types of lymphocytes you need to know about for the exam; T lymphocytes and B lymphocytes. B lymphocytes produce antibodies and T lymphocytes destroy infected cells.
Monocytes - large cells with bean shaped nucleus. Become macrophages after 3 days in the blood system.
Macrophages - large phagocytic cells in the blood but are also fixed within specific tissues. They engul microbes and foreign cells in tissues.
Hope that helps :)
B lymphocytes produced in Bone marrow
T lymphocytes produced in Thymus
but i dont think you need to know that for unit 1, its good to know anyway :D
There are only two types of white blood cells:
1) Phagocytes: engulf and digests microbes by phagocytosis.
There are many types of phagocytes, but the 2 main ones are;
2) Lymphocytes: produce antibodies.
There are only 2 types of lymphocytes;
White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
White blood cells are an important component of your blood system. White blood cells are made inside the bone marrow and stored in your blood and lymphatic tissues.
Among your white blood cells are:
Monocytes. They have a longer lifespan than many white blood cells and help to break down bacteria.
Lymphocytes. They create antibodies to defend against bacteria, viruses, and other potentially harmful invaders.
Neutrophils. They kill and digest bacteria and fungi. They are the most numerous type of white blood cell and your first line of defense when infection strikes.
Basophils. These small cells appear to sound an alarm when infectious agents invade your blood. They secrete chemicals such as histamine, a marker of allergic disease, that help control the body's immune response.
Eosinophils. They attack and kill parasites, destroy cancer cells, and help with allergic responses.
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