Examlex
The present motions of the planets were inherited from the rotation of the solar nebula.
Innate Immunity
The body's first line of defense against infection that includes physical barriers, immune cells, and proteins, responding to pathogens in a generic way.
Helper T Cells
A type of T cell that plays a critical role in the immune response by activating and directing other immune cells.
Phagocytosis
The process by which cells, particularly immune cells, engulf and digest large particles or microorganisms.
MHC Class II
Molecules present on immune cells that present antigens to helper T cells, crucial for initiating immune responses.
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