Assertion: immune system's cell | /r/HasProperty | white blood cells
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The cells of the immune system are the leukocytes or the white blood cells.
text: What researchers do know is that the body continuously makes immune cells that are called white blood cells, or leukocytes, and it generates far more cells of the adaptive system — known as lymphocytes — that mature into B cells and T cells than are needed.
text: It contains immature cells that either divide to form stem cells (progenitor cells that can replenish other cell types as required), or mature into red blood cells (oxygen and carbon dioxide transport cells), white blood cells (which include B cells and T cells), and platelets (blood cells that form clots to stop bleeding).
text: The cells that carry out the acquired immune response are white blood cells known as lymphocytes.
text: Immune cells are sometimes called white blood cells or leukocytes.