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MHT CET Biology question

BiologyBody Fluids and CirculationMHT CET

Heart beat can be initiated by [CPMT 1971, AFMC 1977, AFMC 1979, Orissa JEE 1980, Orissa JEE 1986, Orissa JEE 1999, Orissa JEE 2002, Orissa JEE 2000, Orissa JEE 2004]

Answer: (A)

Solution

The sinu-auricular (SA) node is the normal pacemaker that initiates the heart beat; the AV node and

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Question ID VK-077896