Question

Question 9. Antibodies are produced in the
body to fight the microbes when they entered
the body. How does the human body react when
these microbes attack again?
The human body remembers the
microbes and quickly forms
antibodies against it
The human body becomes weak and
is unable to form antibodies against
the microbes
The human body eliminates the
microbes without even producing
antibodies against them
The human body produces
antibodies but takes a longer time
to overcome the microbial infection​

Answer 1

Explanation:

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Answer 2

Answer:

Concept:

The body uses antibodies to fight off microorganisms and the toxins (poisons) they release. They accomplish this by identifying molecules known as antigens that indicate the microbe or toxin as being foreign on its surface or in the chemicals it produces. These antigens are then designated for eradication by the antibodies.

Explanation:

• B-cells will create antibodies if an antigen enters the body and they are able to identify it (either by prior exposure to the disease or through vaccination against it). Imagine a lock-and-key arrangement. When antibodies bind to an antigen, the immune system is alerted to fight and eradicate the intruders.
• A specific antigen is more easily destroyed by immune cells when an antibody is attached to it. T cells assist regulate the immune response by directly attacking antigens. Additionally, they discharge substances called cytokines that regulate the entire immune response.
• Hence, when the microbes attack again the human body remembers the microbes and quickly forms antibodies against it.

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