A white blood cell engulfing a bacterium is an example of
A. active transport.
B. pinocytosis.
C. exocytosis.
D. phagocytosis.
Answer: D
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If you are exposed to hepatitis A and have not been vaccinated against it, you may receive antibodies from another person. This is an example of ________.
A. natural passive immunity B. natural active immunity C. artificial active immunity D. artificial passive immunity
The membranous areas between the cranial bones of the fetal skull are called ________________.
A) foramina. B) sutures. C) frontanelles. D) areolas.
What is the role of mucus in the nasal cavity?
A) increase the air turbulence in the nasal cavity B) separate the oral cavity from the nasal cavity C) lighten the skull D) act as a resonance chamber for speech E) trap incoming bacteria and other foreign debris
Motor neurons extend to a ________________________________________ or a ________________________________________
Fill in the blank(s) with correct word