Respuesta :
In response to a specific stimulus, autonomic reflex arcs can trigger smooth muscle contraction, cardiac muscle contraction and secretion by glands.
An element of the peripheral nervous system that controls unconscious physiological functions is the autonomic nervous system. The reflex arc is a unique kind of neural circuit that starts with a sense neuron at a receptor (for instance, a pain receptor in the fingertip) and ends with a motor neuron at an effector (e.g., a skeletal muscle).
Heart rate, digestion, respiration, salivation, sweat, pupillary dilation, micturition (urination), and sexual desire are all influenced by the ANS. Because sympathetic and parasympathetic activation are recruited quickly and synchronously, autonomic reflex arcs are complicated in character.
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