Injured cells release chemicals such as histamine and kinins that dilate vessels, attract phagocytes and activate pain receptors.

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This statement is true. Injured cells release chemicals such as histamine and kinins that dilate blood vessels, attract phagocytes (white blood cells that engulf and digest harmful microorganisms), and activate pain receptors. These responses are part of the body's inflammatory response to injury or infection.

Injured Cells Release Chemicals Such as Histamine and Kinins That