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What will the sympathetic nervous system do to the cardic muscle?
Sympathetic nervous system activation will increase the frequency and force of cardiac myocyte contractility
A person is walking through a park. A branch from a tree falls nearly hitting her. Her heartbeat speeds up. Which part of the nervous system was responsible for this?
Sympathetic Nervous System
Is bronchoconstriction sympathetic or parasympathetic?
Bronchoconstriction is due to an activation of parasympathetic nervous system.
Pupil dilation and rapid heartbeat are the result of activation of which branch of the autonomic nervous system?
peripheral nervous system
How does an increase in the sympathetic nervous system affect stroke volume?
An increase in the sympathetic nervous system can lead to an increase in stroke volume. This is because the sympathetic nervous system stimulates the heart to beat faster and with more force, resulting in more blood being pumped out with each heartbeat.
What of the effects could result from activation of the sympathetic nervous system?
A prominent class of motor neurons in the sympathetic nervous system are involved with vasoconstriction also with an increase in the heart rate.
How does the activation of the sympathetic nervous system impact the body's response to stress?
The activation of the sympathetic nervous system during stress triggers the "fight or flight" response in the body. This leads to increased heart rate, elevated blood pressure, and the release of stress hormones like adrenaline, preparing the body to react quickly to the perceived threat.
Is heartbeat affected by heartbeat?
The individual heartbeat, or contraction, can be modified by input from the sympathetic and parasympathetic nervous systems. This modification can include increased or decreased contraction ratios, increased or decreased stroke volume and increased or decreased rate of contraction.
What other body system is directly connected to the sympathetic nervous system?
The sympathetic nervous system is directly connected to the cardiovascular system. Activation of the sympathetic nervous system leads to an increase in heart rate, stronger heart contractions, and constriction of blood vessels, helping to prepare the body for fight or flight responses.
What component of the nervous system is associated with the fight or flight?
sympathetic nervous system.
What nervous system gets your body ready for action in an emergency by increasing adrenalin and slowing down digestion.?
sympathetic division of the autonomic nervous system
Sympathetic and parasympathetic nervous system's are subdivisions of what nervous system?
The sympathetic and parasympathetic nervous systems are subdivisions of the autonomic nervous system.
