Multiple Choice
White blood cells are produced in the
A) brain.
B) bone marrow.
C) heart.
D) gastrointestinal tract.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q22: All of the following are childhood viral
Q41: Vaccines confer _ immunity.<br>A)active<br>B)partial<br>C)innate<br>D)natural
Q55: Warts on the hands are caused by
Q61: A marker on the surface of a
Q63: Macrophages act as<br>A)scavengers of worn-out cells.<br>B)healers of
Q78: Autoimmune diseases occur when<br>A)bacteria severely damage the
Q79: Which of the following statements about the
Q94: The two main types of lymphocytes are
Q96: During which type of immune system response
Q98: Chemical messengers released by immune system cells