The cardiac center is responsible for controlling ____________________.
vasoconstriction
heart rate
vasodilation
all of the choices correct
heart rate
Anatomy & Physiology
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The main pacemaker of the heart is the _______.
A. AV node B. SA node C. bundle of his D. purkinje node
Anatomy & Physiology
A heartbeat begins with an electrical impulse generated by the ________
A) sinoatrial (SA) node B) Purkinje fibers C) atrioventricular (AV) bundle D) atrioventricular (AV) node
Anatomy & Physiology
Damage to which of the following cranial nerves might result in death?
A. facial nerve B. vagus nerve C. trigeminal nerve D. glossopharyngeal nerve E. optic nerve
Anatomy & Physiology