The sa node acts as the pacemaker of the heart because these cells are __________.

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07-04-2018
Biology

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The sa node acts as the pacemaker of the heart because these cells are __________.

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hello349 hello349 · Answer 1 · 2018-04-07T06:03:40+02:00

hello349 hello349

07-04-2018

The heartbeat has two specialised areas of muscle (the sa node and the av node) that control and synchronise the heartbeat. The rhythm of relaxation and concentration of the pacemaker sets the rythym of the heartbeat.

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