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Through an allergic response. Through blood type. Through characteristic shapes on the antigen surface. Through fine hairs protruding from the antigen surfac
is no less complicated than the nervous system. far exceeds the human brain in intricacy. is surrounded by numerous sensitive cells. results in an effective communications network.
mostly descended from his/her ancestors. partially passed down from his/her mother. mainly acquired through fighting foreign cells. basically generated by communications network.
self-tolerance balance harmony tolerance
The immune system’s memory. Immune troops eliminating intruders. Bees flying around a hive. A sea of microbes.
Allergens are usually harmful substances. Antigens can trigger an immune response. People with antigens do not suffer from obvious responses. There is no difference between an antigen and an allergen.
recognize and reject all alien molecules that enter the body. remove all the substances that invade the body organisms. defend the body from attacks of different viruses or bacteria. identify and specify all non-self molecules it encounters.
the ages of the twins’’ tissues are exactly alike. the twins’’ tissues bear the same self-markers. the father and daughter are different in sex. the twins’’ molecules possess identical memory.
An antigen is any substance that triggers an immune response. One of the immune system’s primary functions is the allergic response. The human body is an appropriate habitat for microbes. The basic function of the immune system is to distinguish between self and nonself
Allergens are usually harmful substances. Antigens can trigger an immune response. People with antigens do not suffer from obvious responses. There is no difference between an antigen and an allergen.
self-tolerance balance harmony tolerance
An antigen is any substance that triggers an immune response. One of the immune system’s primary functions is the allergic response. The human body is an appropriate habitat for microbes. The basic function of the immune system is to distinguish between self and nonself
The immune system’s memory. Immune troops eliminating intruders. Bees flying around a hive. A sea of microbes.
the ability of the immune system to distinguish foreign molecules. the normal and abnormal activities of the immune system in the body. the unfavorable effects of the immune system on organ transplantation. the essential duties of the immune system in the defence of the body.
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