Multiple Choice
The body has both physical and chemical ____________ to prevent invaders from entering.
A) Cells
B) Barriers
C) Nodes
D) Cytes
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q58: The spleen is a lymph organ that
Q59: The group of diseases that occur when
Q60: The signs and symptoms of inflammation include
Q61: _ is characterized by four cardinal signs:
Q62: The _ system is the transport system
Q64: T lymphocytes are responsible for adaptive immunity
Q65: An increase in cell number is called
Q66: It is because of adaptive _ that
Q67: The HIV virus targets _ cells.<br>A)Natural killer
Q68: Innate immunity triggers a series of mechanisms