where is San located and what is its function
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SAN- sino-atrial node
San is a tissue which is present in the right upper corner of the right atrium.It is a specialised part of nodal tissue.
It works in.close xontact with AVN-atrio-ventricular nodes.
FUNCTION:
It is autoexcitable i.e it can create action potentials without any external stimuli.SAN can generate a action potential of about 70-75 per minute.
SAN is responsible for initiating and maintainance of rythemic contraction of the heart. Hence our heart beats 70-75 times per minute.
SAN is also called as the “PACEMAKER” since it is autoexcitable and can generate maximum action potential
San is a tissue which is present in the right upper corner of the right atrium.It is a specialised part of nodal tissue.
It works in.close xontact with AVN-atrio-ventricular nodes.
FUNCTION:
It is autoexcitable i.e it can create action potentials without any external stimuli.SAN can generate a action potential of about 70-75 per minute.
SAN is responsible for initiating and maintainance of rythemic contraction of the heart. Hence our heart beats 70-75 times per minute.
SAN is also called as the “PACEMAKER” since it is autoexcitable and can generate maximum action potential
Answered by
2
Answer:
SAN Or Sinatriol Node is the natural pacemaker of the heart which is situated on the upper right side of the heart
Explanation:
function Sinatriol Node triggers the rhythmic contractions made by the cardiac muscles of the walls of the heart.
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note (answer according to 8th class )
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