Question

Describe the Inflammatory Process. Focus on how it is beneficial to successfully fight off an infection.

Answer 1

The inflammatory response or inflammation occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause. The damaged cells release chemicals including histamine, bradykinin, and prostaglandins. These chemicals cause blood vessels to leak fluid into the tissues that causes swelling. This helps isolate the foreign substance from further contact with body tissues.
The chemicals also attract white blood cells called phagocytes that "eat" germs and dead or damaged cells. This process is called phagocytosis. Phagocytes eventually die. Pus is formed from a collection of dead tissue, dead bacteria, and live and dead phagocytes.

When inflammation occurs, chemicals from the body's white blood cells are released into the blood or affected tissues to protect body from foreign substances. This release of chemicals increases the blood flow to the area of injury or infection, and may result in redness and warmth.
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