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Mazyrski [523]
3 years ago
13

How an immune response stars after a macrophage attacks a pathogen

Biology
1 answer:
marishachu [46]3 years ago
4 0
After the macrophage fails the Helper T Cell stimulates the B cells (create antibodies) if pathogen is extracellular and Cytotoxic T Cells (killer T cells, release perforin) if pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells. 
<span>Hope that's helpful.</span>
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3 years ago
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choli [55]

Answer:

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77julia77 [94]
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Which of these pairs of body structures BEST illustrates a homologous relationship?
Rashid [163]
<span>A) Leg of a horse and the leg of a dog.
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Choices to this question are:
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