A T cell, or T lymphocyte, is a type of lymphocyte a type of white blood cell that plays a central role in cell-mediated immunity.
Salinity and density share a positive relationship. As density increases, the amount of salts in the water—also known as salinity, increases. Various events can contribute to change in the density of seawater. Salinity can decrease from the melting of polar ice or increase from the freezing of polar ice.
I wanna say D, but I’m not entirely sure
The neurons conduct impulses over relatively long distance in the body. This is facilitated by their long cytoplasmic extensions
