Histamine - Answers 4 types of histamine receptors:
H1, H2, H3, H4
H1 - Answers H1 promotes inflammation. Many are located in smooth muscle in bronchi. When
stimulated → bronchoconstriction.
H2 - Answers H2 promotes anti-inflammatory response. Many are located in stomach → secretion of
gastric acid
Cytokines - Answers Molecules that diffuse short distances and regulate the inflammatory response and
include
Interleukins (IL)
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