Examlex
The chloride ion, Cl¯, is a typical Lewis acid.
Immune System
The body's defense mechanism against infectious organisms and other invaders through a series of steps called the immune response.
Muscle Spasm
An involuntary and sudden contraction of one or more muscles, often painful and a sign of muscle strain or neurological conditions.
Tetanus
A bacterial infection characterized by muscle spasms, commonly caused by Clostridium tetani bacteria.
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