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A certain cell type has existed in the blood and tissue of its vertebrate host's immune system for over twenty years.One day,it recognizes a newly arrived antigen and binds to it,subsequently triggering a secondary immune response in the body.Which of the following cell types most accurately describes this cell?
Oceanic Divergent Boundaries
Boundaries between tectonic plates that are moving away from each other, often resulting in the formation of new oceanic crust through volcanic activity.
Conveyor-belt Manner
A way of describing the movement and recycling of materials, often used in the context of plate tectonics and ocean currents.
Asthenosphere
A region of the Earth's upper mantle that lies just below the lithosphere and is involved in plate tectonic movements due to its plasticity.
Mid-ocean Ridges
Underwater mountain ranges formed by the upwelling of magma where tectonic plates are diverging, key sites of seafloor spreading.
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