Basic Anatomy and Physiology

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Red Blood Cells, White Blood Cells, and Platelets

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Red Blood Cells, White Blood Cells, and Platelets

Blood contains three major types of cells that float in the liquid plasma. They are ____, ____, &_____.

____ makes up 20-25% of the total WBC count and are very important because they provide immunologic "memory".

_______ WBC found in very small numbers circulating the blood and nasal secretions.

_____ along with neutrophils, they also serve as the first line of defense against infection and perform the same functions as monocytes.

____ make up 60-70% of WBC and are part of the organism's first line of defense against infection.

____ specialized in presents parts of these organisms to other cells in the immune system, such as T cells, and are thus known as "antigen presenting cells"

These lymphocytes mature in the thymus (thus the name "T" cells) and are responsible for cell-mediated immunity

Mature in the bone marrow (thus the name B cell" and are found in the blood stream.

make up1-3% of WBCs and are increased in allergic disorders and parasite infections.

When an allergen binds to and cross links the IgE, the ________ releases chemical mediators from its granules.