4. Figure 1 shows the graph of concentration of antibody in the blood (%) over a period of 40 days. Based on the graph, answer the following questions. (a) Explain the reaction of the body against the infection of virus A. (b) How long does it take for the body to build antibodies to reach the immunity level after an infection? Photograph 1 (c) Give one reason why the antibody level drops after reaching the immunity level. Concentration of antibody in blood (%) Exposed to virus A Immunit level 0 5 10 15 20 25 30 35 40 Figure 1 Time (day)​

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4. Figure 1 shows the graph of concentration of antibody in the blood (%) over a period of 40 days. Based on the graph, answer the following questions. (a) Explain the reaction of the body against the infection of virus A. (b) How long does it take for the body to build antibodies to reach the immunity level after an infection? Photograph 1 (c) Give one reason why the antibody level drops after reaching the immunity level. Concentration of antibody in blood (%) Exposed to virus A Immunit level 0 5 10 15 20 25 30 35 40 Figure 1 Time (day)​

4. Figure 1 shows the graph of concentration of antibody in the blood (%) over a period of 40 days. Based on the graph, answer the following questions. (a) Explain the reaction of the body against the infection of virus A. (b) How long does it take for the body to build antibodies to reach the immunity level after an infection? Photograph 1 (c) Give one reason why the antibody level drops after reaching the immunity level. Concentration of antibody in blood (%) Exposed to virus A Immunit level 0 5 10 15 20 25 30 35 40 Figure 1 Time (day)​

Jawaban:

a. the body will get seizure and fever

b. maybe during the first 3 hours he will make about 10% antibodies and the immunity will increase to level 5

c. because they help each other to make the symptoms better

so that's it hope you understand what i answer

and sorry if the one of that was wrong 🙂