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Are antigens produced by white blood cells and attack substances that may be harmful to the body?
Wiki User
∙ 13y ago
Antigens are foreign proteins that your immune system can recognize as being harmful to your body, so it produces antibodies that memorize the antigen protein so it can launch an immune response if it ever again invades your body.
Wiki User
∙ 13y ago
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What are the natural defenses that your body has against harmful substances and disease?
The body's natural defenses include the immune system, which uses specialized cells to identify and destroy harmful substances like viruses and bacteria. Other defenses include physical barriers like skin and mucous membranes, as well as enzymes that break down toxins and pathogens. Additionally, the body has inflammation responses that help to isolate and neutralize threats.
What is the difference between antibodies and antigens?
Antigen is a substance that can induce the generation of antibodies, any substance that can induce immune response. Antibody is a protective protein produced by the body in response to an antigen.
What forms in the blood to help fight invading antigens?
White blood cells, specifically lymphocytes, are responsible for helping to fight invading antigens in the blood. These cells produce antibodies that target and neutralize foreign substances, such as bacteria or viruses. Additionally, white blood cells can mount an immune response to destroy these antigens and prevent infection.
Do antibodies attack extracellular or intracellular antigens?
Antibodies primarily target extracellular antigens, which are found outside of cells. These antigens can be on the surface of pathogens or released into the extracellular environment. Intracellular antigens, located inside cells, are primarily targeted by T cells of the immune system.
What is the difference between antibodies and antitoxins?
Antibodies attach to antigens preventing them from attacking cells in the body. Antitoxins attack antigens and destroy them
When the antibodies in the patient's serum attack antigens on the erythrocytes in donor blood this is known as?
When the antibodies in the patient's serum attack antigens on the erythrocytes in donor blood, this is known as red blood cell incompatibility. Patients should receive blood with the same ABO and Rh(D) classification. A and B are dissimilar antigens on the red cells. The immune system recognizes antigens as foreign. O cells do not have A or B antigens.
Specialized cells that attack foreign substances upon recognizing the foreign surface antigens are called?
These specialized cells are called immune cells, particularly T cells and B cells. They play a crucial role in the body's immune response by identifying and responding to foreign antigens to eliminate them and protect the body from infections.
How does a B cell tell the difference between an invader cell and a body cell?
B cells recognize invaders by binding to specific antigens on their surface that are not present on body cells. If a B cell encounters an invader with matching antigens, it will be activated to produce antibodies against the invader, while sparing body cells that do not display those antigens.
Why the A antibody of the AB recipient does not atack the donor A antigen on blood?
Having AB blood means you already have both A and B antigens in your organisms, so you DON'T have the antibodies, the A antigen doesn't affect the AB recipient 'cause it doesn't consider it as foreign (it's the same for the B antigen)
What do killer cells attack?
toxic substances
What white blood cells are responsible for recognizing and destroying foreign antigens?
The white blood cells responsible for recognizing and destroying foreign antigens are called lymphocytes. There are two main types of lymphocytes: B cells, which produce antibodies to tag antigens for destruction, and T cells, which directly attack and destroy cells that are infected or presenting foreign antigens.
What mounts the attack against particular foreign substances?
The immune system reacts to foreign substances.
