Immediately, the pathogen has been recognized:
Macrophages acts as the first line of defence by engulfing pathogens identified by antigens which will now present the antibody shape to a helper T cell.
The Helper T cells produce a signal to plasma and Memory B cells to yield antibodies that attach to the antigens. The cytotoxic cells that leads to cell death are activated by the helper T cells.
Antibodies helps to immobilize pathogen for macrophage to feed on.
if the pathogen comes back a 2nd time the memory cells helps in quick and efficient recovery by producing the specific B and T cells for the antigen.
the process by which sediment<span> is removed from its source deposition.</span><span>
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Answer:
27-May-2019 · 1 answer
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They all have the same look, same arrangement of bones:and by different shapes and sizes
Answer:
c po he he shell fish po sagot