Final answer:
The classic symptoms of inflammation, known as the cardinal signs, are redness, swelling, pain, warmth, and sometimes loss of function.
Step-by-step explanation:
The classic symptoms of inflammation, also known as the cardinal signs, include redness, swelling, pain, warmth, and sometimes loss of function. These symptoms are caused by increased blood flow into infected tissue and other processes. For example, when you scrape your skin, chemicals are released that cause nearby blood vessels to dilate and increase blood flow to the damaged area, resulting in redness and warmth. The chemicals also attract white blood cells, which can cause swelling and pain. Loss of function may occur due to the injury or infection affecting the normal functioning of the affected area.