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The contraction of the heart of frog commences from
Options
(a) sinus venosus
(b) right auricle
(c) left auricle
(d) interauricular septum
Correct Answer:
sinus venosus
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
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