Question

how do the nodes in heart help in beating of the heart ? what is the exact process occuring in those cells ?​

Answer 1

✔️✔️ ANSWER ✔️✔️

nodes in heart helps in beating of heart .the SA nodes sets the rhythm of ur heart beat when blood pumps through heart

SA node also called natural pacemaker

it sends the regular electrical impulses from the top of the atrium causing it to contract and pump blood into the ventricle

this impulse is then conducted to the ventricles through a form of 'junction box' called the AV node.

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Answer 2

SA node known as the hearts natural peacemaker.The impulse start in a small bundle of specialized cells located in the right atrium,called the SA node.The electrical activity spreads through the walls of the walls of the artria and cause them to contract.This force blood into the ventricles.