Acute phase , the infectious agent multiplies at high levels, becomes well established in its target tissue, and signs/symptoms reach their peak.
An increase in acute phase proteins in serum, fever, increased vascular permeability, metabolic and pathologic changes, and an increase in acute phase proteins in serum are all components of the acute phase response, a group of physiological processes that occur shortly after the onset of infection, trauma, and inflammation.
They serve as a representation of the degree of cell differentiation and order in living things. Transport, digestion, respiration, and other processes are all carried out by tissue. Tissue are therefore crucial for multicellular creatures.
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