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 immune system is made up of ____
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tissues
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cells
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organs
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all of the above
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Explanation:
Detailed explanation-1: -These specialized cells and parts of the immune system offer the body protection against disease. This protection is called immunity. Humans have three types of immunity-innate, adaptive, and passive: Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection.
Detailed explanation-2: -Immune system consists of different types of cells and organs which protect our body against pathogens. Pathogens are defined as microorganisms that cause infections in the body such as bacteria, fungi, viruses and protozoans. Antigens are molecules that elicit antibody generation.
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