True or False:
B cells and H cells are two important cells in the immune system that help fight infection.
(1 point)
Responses
true
true
false
2 answers
false
Antibodies are produced by
(1 point)
Responses
B cells.
B cells.
T cells.
T cells.
red blood cells.
red blood cells.
lymph nodes.
(1 point)
Responses
B cells.
B cells.
T cells.
T cells.
red blood cells.
red blood cells.
lymph nodes.