Assertion: immune system's cell | /r/CapableOf | become active
Facets:
value: highly
type: DEGREE
Source sentences:
text: The fragments of proteins (antigens) are 'presented' to the B and T cells and cause those cells to become active.
text: During sleep, our immune and nervous systems communicate, whereby various immune cells in our body become highly active and can even be the basis for forming immunological memories that help to combat future infection.