Examlex
Olfactory neurons first transmit their action potential to the central nervous system structure called the
SA Node
The sinoatrial node, often called the heart's natural pacemaker, initiates electrical impulses that set the rate and rhythm of heartbeats.
Ventricular Contractions
The tightening of the heart's ventricles, which pumps blood out of the heart and into the arteries.
P-QRS Waves
Represents the electrical activity that triggers the heartbeat, as recorded by an electrocardiogram.
Pulmonary Artery
The Pulmonary Artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
Q1: The filtration step in the formation of
Q4: New neuron synapses do not appear in
Q15: Several butterfly species that are edible to
Q18: All rain forests are tropical.
Q21: What tissues or structures in an animal's
Q30: The sympathetic and parasympathetic divisions of the
Q34: The main phenomenon that increases the efficiency
Q35: The glandular secretions involved in digestion that
Q42: There are no parasitic crustaceans.
Q51: What stage of development involves cell division