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What else can I help you with?
Can someone really DIE from a kick in the stomach?
Yes you could. Kicking in the stomach activates the nerve call Vagus nerve (CN 10). This nerves inhibits the heart by slowing down the heart rate. If the blow on the stomach is too strong, then it could cause heart arrest.
What are the comparatives action on the parasympathetic nerves and sympathetic nerves in circulatory system of the body?
The parasympathetic nerves secrete norepinepherine at the AV node (the pacemaker), which slows the heart and reduces stroke volume (the amount of blood the ventricles pump out with each cycle. Sympathetic nerves do the opposite; they secrete epinepherine at the AV node, which stimulates the heart to increase speed and stroke volume, so that more blood is pumped from the heart faster.
What are the 3 main parts of the human heart?
The heart rate is controlled by the opposing actions of sympathetic and parasympathetic nerves and by the action of epinephrine released from the adrenal gland. Norepinephrine, released by sympathetic nerves in the heart, and epinephrine, released by the adrenal gland, increase the heart rate, while acetylcholine, released from parasympathetic nerves, decreases
What effects does marijuana have on the heart?
it destroys the heart by slowing it down
What results from a cartoid sinus massage?
Rubbing the carotid sinus stimulates an area in the artery wall that contains nerve endings. These nerves respond to changes in blood pressure and are capable of slowing the heart rate.
Which autonomic nerves speed up the heart and which slows it down?
The sympathetic nerves speed up the heart rate, while the parasympathetic nerves slow it down.
Which neurotransmitter is released into the heart by the vagus nerves that slow the heart?
The parasympathetic division of the autonomic innervation of the heart releases acetylcholine from its varicosities (the sites where neurotransmitter is released). The acetylcholine binds to M-2 muscarinc receptors to mediate the negative chronotropic (slowing of heart rate) effect. This also mediates a negative inotropic (lowering of force of contraction) effect.
Can slowing your heart rate reduce pain?
no. Unless it's heart pain --a condition called angina pectoris which is caused by blocked arteries in the heart. Slowing the heart in that situation causes the heart to need less oxygen and have less frequent and severe angina. Beta blocker drugs do this. But slowing your heart won't help your back pain, kidney stone pain, etc.
What is a neurogenic heart?
A heart who's activity is controlled by nerves.
Do you have nerves in your heart?
Yes, but not somatic nerves. Instead the heart is enervated by the autonomic nervous system (used mainly to speed up and/or slow down the heart rate). There is also an internal set of nerves (referred to as Perkingi fibers) that are used to synchronize the beats of the heart.
What nerves send electrical signals to your heart?
The autonomic nervous system consists of the sympathetic and parasympathetic branches that regulate the heart rate. The sympathetic nerves release neurotransmitters such as norepinephrine to increase heart rate, while the parasympathetic nerves release acetylcholine to decrease heart rate.
Why do you have a heart in your body?
to control your Brain and nerves
