AP BIOLOGY

Detailed explanation-1: -When inflammation happens, chemicals from your body’s white blood cells enter your blood or tissues to protect your body from invaders. This raises the blood flow to the area of injury or infection. It can cause redness and warmth. Some of the chemicals cause fluid to leak into your tissues, resulting in swelling.

Detailed explanation-2: -A fever is the body’s natural response to inflammatory stimuli, such as a virus or infection. Once the immune system recognizes the challenge-a bacterial or pathogenic infection-it triggers a change in body temperature to heal itself.

Detailed explanation-3: -Your immune system sends out its first responders: inflammatory cells and cytokines (substances that stimulate more inflammatory cells). These cells begin an inflammatory response to trap bacteria and other offending agents or start healing injured tissue. The result can be pain, swelling, bruising or redness.

Detailed explanation-4: -The inflammatory response (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, causing swelling.

Detailed explanation-5: -While the sensation is a very individualized experience, inflammation typically causes pain because the swelling and buildup of tissue starts pressing against nerve endings. This pressure sends pain signals to the brain, causing discomfort.