One characteristic of the immune response is specificity. This means that
A. immunity is carried on by a specific group of tissues of the immune system.
B. immunity is directed against a particular pathogen.
C. immunity starts in specialized tissues in the body.
D. immunity is carried on by a specific group of cells of the immune system.
E. immunity starts in defined organs in the body.
Answer: B
You might also like to view...
The respiratory defense system is important for all of the following reasons except
A) helping filter the air. B) helping warm the air. C) keeping out debris. D) keeping out pathogens. E) providing gas exchange.
Each of the following organs is part of the urinary system except the
A) kidney. B) urinary bladder. C) adrenal glands. D) ureter. E) urethra.
The bones of the spine are examples of:
a. a short bone b. a long bone c. a flat bone d. an irregular bone
A person doing jumping jacks is performing which set of muscle action?
A. Extension and flexion B. Abduction and adduction C. Inversion and eversion D. Protraction and retraction