This is all about the immune system, how it works, and what it does.

The function of the resistant system is to defend the body against international invaders that may cause disease. The immune system is made up of cells, tissues, organs, and body systems that fight bacteria, viruses, harmful chemicals, and cancer cells. The skin functions as a defense against disease because of the millions of helpful bacteria that give way on your skin. This is your first line of defense by cleanup position many harmful types of bacteria. When thither is a break in the skin, your body is not defenseless. Several other body systems oppose health. First, the circulatory system contains white blood cells that engulf and compendium foreign organisms and chemicals. If the white cells cannot destroy the bacteria, a fever may develop. A fever can help to fight the pathogen. Second, the respiratory system contains cilia and mucus to trap pathogens. In the digestive system, enzymes in the stomach, pancreas, and liver destroy pathogens.

T-cells are produced in the bone subject matter and thymus gland and interact with the bodys own cells, regulating the immune response and acting against foreign cells that are not sensitive to antibodies.

A non circumstantial response protects the body from all foreign substances. The specific response recognizes and acts against particular foreign invaders.

A vaccination is a mean of producing immunity against pathogens such as viruses and bacteria by the foot of live, killed, or altered antigens that stimulate the body to produce antibodies against more(prenominal) dangerous forms.



A person who is overly reactive to an antigen is utter to be allergic whenever an allergic reaction occurs. Then there is tissue damage.

The antigens that induce an allergic reaction are called allergens. Examples allow certain foods, chemicals, dust, grass pollen, food pollen, molds, and some antibiotics. When you come in contact with one of these allergens, your immune...

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