Heart beat initiates from

Heart beat initiates from

Q. Heart beat initiates from

A.            Auriculo-ventricular

B.            Sino-auricular node

C.            Bundle of His

D.            Purkinje fibres

Answer: Sino-auricular node

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page