BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The body’s ability to produce cells that inactivate foreign cells or substances.
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The body’s ability to regulate homeostasis through feedback loops.
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The body’s ability to produce the “fight or flight” response.
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The body’s ability to use the endocrine system to fight disease.
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Detailed explanation-1: -In antibody responses, B cells are activated to secrete antibodies, which are proteins called immunoglobulins. The antibodies circulate in the bloodstream and permeate the other body fluids, where they bind specifically to the foreign antigen that stimulated their production (Figure 24-2).
Detailed explanation-2: -Antibodies are proteins made by the body’s natural defense system (immune system) to fight foreign substances, such as bacteria.
Detailed explanation-3: -The innate immune system: Fast and general effectiveness The innate immune system is the body’s first line of defense against germs entering the body. It responds in the same way to all germs and foreign substances, which is why it is sometimes referred to as the “nonspecific” immune system.