The adaptive immune system prepares its defenses for nonspecific pathogens
a. True
b. False
Indicate whether the statement is true or false
False
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Cations will ________ each other.
A) attract B) not react with C) repel
The enzyme carbonic anhydrase causes
A) carbon dioxide to react with water. B) water to react with hydrogen ions. C) water to react with bicarbonate ions.
Number 2 indicates a compound ________ gland.
A. tubuloacinar B. coiled acinar C. tubular D. coiled tubular E. acinar
Trace the correct pathway of air to the trachea after it enters the nose through the external nares.
a. oral cavity, nasal cavity, larynx, pharynx, trachea b. nasal cavity, larynx, pharynx, trachea c. nasal cavity, trachea, larynx, pharynx d. nasal cavity, pharynx, larynx, trachea e. nasopharynx, nasal cavity, laryngopharynx, trachea