A) neurogenic type
B) myogenic type
C) partially myogenic type
D) partially neurogenic type
Correct Answer: B
Solution :
The heart of molluscs and vertebrates are of myogenic type. In myogenic heart contraction is initiated by a special node of modified heart muscle, the Sino Atrial (SA) node, present in the wall of right atrium close to the point entry of vena cava.
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