Biology, asked by laxman1707, 1 year ago

Which part of the human heart is considered as pace-maker? Why is it so called?

Answers

Answered by sakshi488757
2

SA node is called human hearts pacemaker normally the electrical muscles of your heart cause to beat as well as electrical signal begins in sinoatrial node even it is also located at the top of hearts upper right chamber

Answered by anubha10
0

Answer and Explanation: The SA (sinoatrial) node is called pacemaker because it contains a group of cells in the wall of the right atrium that have the ability to spontaneously initiate the electrical impulse that leads to the contraction of the heart.

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