ANATOMY

Detailed explanation-1: -Infection, often the first step, occurs when bacteria, viruses or other microbes that cause disease enter your body and begin to multiply. Disease occurs when the cells in your body are damaged-as a result of the infection-and signs and symptoms of an illness appear.

Detailed explanation-2: -For an infection to occur, germs must enter a susceptible person’s body and invade tissues, multiply, and cause a reaction. Devices like IV catheters and surgical incisions can provide an entryway, whereas a healthy immune system helps fight infection.

Detailed explanation-3: -There are some general signs of bacterial infection: fever. feeling tired or fatigued. swollen lymph nodes in the neck, armpits, groin or elsewhere.

Detailed explanation-4: -Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.

Detailed explanation-5: -Our immune system sends out white blood cells, antibodies, and other chemicals to rid the body of the invading germs. The germs, the toxins, and the immune system processes all can lead to the annoying symptoms of a cold or flu-like infections, such as sniffles, sneezing, coughing, and diarrhea.