Which labeled structure in the figure is the AV node?
Definitions:
Type A Behaviour
A personality trait characterized by high levels of competitiveness, urgency, aggression, and an extreme commitment to work.
Cardiovascular System
The system of the body comprising the heart and blood vessels, responsible for circulating blood and transporting nutrients and oxygen to cells.
Catecholamines
Organic compounds that include neurotransmitters such as dopamine, norepinephrine, and epinephrine, playing a critical role in the body's stress response and emotional regulation.
Stress Reactivity Paradigm
A viewpoint that sees the reaction to stress as important to an understanding of cardiovascular disease.
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