When an infection occurs by the same
pathogen, the immune response is more rapid
the next time around thanks to
a. effector cells.
b. memory cells.
c. naive T cells.
d. neutrophils.
e. eosinophils
B
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No matter what model is used to show community succession, the final stage is always
A. a climax community. B. a secondary community. C. a sere. D. a resilient community.
Why is blood pressure low in fish? a. Blood must flow through sinus venosus
b. Water enters slightly deoxygenated. c. Fish are not susceptible to hypertension conditions. d. Blood does not return back to the heart.
You are a very healthy 23-year-old. You complete a health care proxy and name your 19-year-old brother as your health care agent. Can he be legally your health care agent? What will be his responsibilities?
What will be an ideal response?
Increased temperature, swelling, redness, and pain are the generalized symptoms of
A. anaphylactic shock. B. the release of antigens. C. specific defense mechanism. D. inflammation.