Examlex
In a redox reaction, reduction means ________, and oxidation means ________.
Upper Respiratory Infection
An infection that occurs in the upper part of the respiratory tract, such as the nose, throat, and bronchi.
Contaminated Objects
Items that have been exposed to harmful substances or pathogens.
Respiratory Droplets
Tiny particles produced from the respiratory tract during coughing, sneezing, or talking that can transmit infections.
Viruses
Very simple, frequently pathogenic, microorganisms capable of replicating within living cells.
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