After birth, B cells change from stem cells to immature B cells in _____,Group of answer choicesbursa cellsthe liverbone marrowthe thymus gland

B lymphocytes that have been exposed to an antigen develop into cells that produce antibodies called _____ cells.Group of answer choicesplasmamemorybursaKupffer

Leukocytes develop from hematopoietic stem cells in the ______.Multiple choice question.liverred bone marrowspleenthymus

T-cell precursors are made in the __________ and mature in the __________.ANSWERthymus; thymusbone marrow; bone marrowbone marrow; thymusthyroid; bone marrow

__________ are lymphocytes that mature in the bone marrow, whereas __________ are lymphocytes that mature in the thymus.Multiple ChoiceT cells; B cellsB cells; T cellsB cells; NK cellsT cells; NK cells

Marrow that no longer produces blood cells and is mostly adipose tissue is called Blank______ bone marrow.Multiple choice question.brownyellowred