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White Blood Cells

Anatomy Final

QuestionAnswer
WBC Function Defends body against invasion of pathogens and removes toxins, waste and abnormal or damaged cells
Where do you find WBC? In the bone marrow
How much hemoglobin does WBC have and why? No hemoglobin at all because they do not participate in oxygen transport
Amoeboid movement? gliding motion accomplished by the flow of cytoplasm into slender cellular extensions
Diapedesis they can migrate out of the bloodstream by squeezing between adjacent cells in the capillary wall
Positive Chemotaxis they are attracted to specific chemical stimuli which guides them to pathogens, damaged tissues or other WBC
What is an amoeba and how does it move? A single-celled micro organism that moves by creating pseudopods, which are cytoplasmic extensions that push out the plasma membrane to crawl across surfaces.
Why do WBC exit the capillaries instead of arteries/veins? because of their structure, slower blood flow, and localized chemical signaling
Positive leukocytes were detected in a sample where they shouldn't normally be present
Chemical various molecular substances these cells naturally produce and release to defend your body, regulate inflammation, and communicate with other cells
Taxi the directional movement of an organism or a cell (like a white blood cell) toward or away from a chemical or environmental stimulus.
NEUTROPHILS (50-70%) Has a very dense, contorted nucleus with 2 to 5 lobes (like beads on a string), First WBC to arrive at an injury site its function is to serve as the immune system's primary first responders.
EOSINOPHILS (2-4%) red granules & a two-lobed nucleus, its function is to defend the body against infections and tissue repair and metabolism
BASOPHIL (less than 1%) pherical shape, relatively small diameter and its function is to defend the body against parasitic infections and regulating allergic and inflammatory responses
MONOCYTES (2-8%) Large oval/kidney bean shaped nucleus and its function is to destroy old, damaged and dead cells in the body. and also release chemicals to attract neutrophils
LYMPHOCYTES (20-30%) Contain a large nucleus surrounded by a thin halo of cytoplasm T helper cells=coordinate immune response with other cells T
Created by: user-2042439
 

 



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