Frog or the vertebrates have myogenic heart (auto excitable). In this heart, beat is originated by a group of muscle fibres which is situated in the wall of the heart. So wave of contraction is generated inside the heart.
NEET UG 2017 — Zoology Structural Organisation in Animals
Frog's heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements:
(i) Frog is a poikilothermic
(ii) Frog does not have any coronary circulation
(iii) Heart is "myogenic" in nature
(iv) Heart is autoexcitable
Held on 30 Apr 2017 · Verified 9 Jul 2026.
Only (iii)
Only (iv)
(i) and (ii)
(iii) and (iv)
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Work through every NEET UG Structural Organisation in Animals PYQ, year by year.