Examlex
Gap junctions play an important role in transmission of impulses for heart contraction.
Unprovoked Hostility
Aggression or hostile behavior that is initiated without any apparent reason or provocation.
Inadequacy
The state of being insufficient or not meeting the necessary standards or requirements.
Human Heart
A central organ in the human cardiovascular system responsible for pumping blood throughout the body, supplying oxygen and nutrients.
Valves
Mechanical devices or biological structures that regulate the flow of fluids by opening, closing, or partially obscuring various passageways.
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