Biology, 23.03.2021 01:00, kaylam8346

In some people, substances such as peanuts, eggs, and milk cause an immune response. This response to usually harmless substances is most similar to the 1 action of the heart as the intensity of exercise increases
2 mechanism that regulates the activity of guard cells
3 action of white blood cells when certain bacteria enter the body
4 mechanism that maintains the proper level of antibiotics in the blood
Please answer + add an explanation!!

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In some people, substances such as peanuts, eggs, and milk cause an immune response. This response t...