<span>Cytotoxic t-cell subpopulations are specialized to combat intracellular pathogens, whereas helper t-cell subpopulations are specialized to combat extracellular pathogens.
</span>Cytotoxic t-cell are CD8+ cells. Cytotoxic t-cell uses granzymes to <span>kill </span><span>intracellular bacteria, that lives in the cytosol such as viruses. They identify the pathogen forgein peptids that are bounded to MHC-I on the cell surface.
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cd4+ T helper (Th) cells include Th1, Th2, and Th17 cells. They contribute to aliergic reactions and fighting extracellular parasites.
The growing problem In the video is when water is not getting in the tree roots.
I believe electromagnetic force
Yes, Both Cells are Living
According to Cell Theory,
Any thing is Called A "Living Organism" When it Contain 1 pr More Cells
Both Cells Are Able to Produce Their own Energy
Hence, Both are Said Living
Natural Selection helps animals survive in their habitats and they have adaptations to help them survive better.
