A) Pacemaker
B) Four chambered
C) Mitral value
D) Neurogenic
Correct Answer: D
Solution :
Human heart is myogenic. Myogenic heart has contraction initiated by a special node of modified heart muscle called Sino-Atrial node (SA node). This is reason that even if the nerve supply of the myogenic heart (present in vertebrate) is cut off or even removed from the body. It continues to heast beat. In neurogenic heart, contraction is initiated by nerve ganglion situated in the vicinity of heart, e.g., Invertebrate like arthropods (cockroach).
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