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File Edit View History Bookmarks People Window Help a New Tab Search xY Complete each sentence by Module 4 Interactive Homem d x ezto.mheducation.com/hm.tpx omplete each sentence by dragging each word or phrase to the proper position. Then arrange the sentences i norepinephrine vagus nerve Action potentials travel down the preganglionic nerve fiber as part of the epinephrine towards the effector organs. short Action potentials arriving at the sinoatrial and atrioventricular nodes of the heart cause spinal nerves to be released. long The impulse arrives relatively quickly at the heart, as parasympathetic postganglionic fibers are postganglionic fibers. decrease compared to sympathetic increase Also known as the parasympathetic nervous system has fibers exiting the CNS at the medulla oblongata. division, the nerve postganglionic fiber These impulses arrive at the cardiac plexus where secretion of acetylcholine creates an action potential in the facial nerve acetylcholine This causes the heart rate and contractility to craniosacral Reset 8

Explanation / Answer

1.Action potentials travel down the preganglionic nerve fAction potentials travel down the preganglionic nerve fiber as part of the Vagus nerve towards the effector organs.

2.action potentials arriving at the sinoatrial and atrioventricular nodes of the heart cause acetylcholine to be released?.

3.the impulse arrives relatively quickly at the heart,as parasympathatic postganglionic fibres are short compared to sympathatic postganglionic fibres

4.Also known as the craniosacral division, the parasympathetic nervous system has fibers exiting the CNS at the medulla oblongata.

5.hese impulses arrive at the cardiac plexus where secretion of acetylcholine creates an action potential in the postganglionic fibre?

?6.this parasympathatic neurotransmitter causes the heart rate and contractility to decrease?

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