Cardiac cycle in frog is completed in:
A.0.74 seconds
B.0.84 seconds
C.0.94 seconds
D.1.4 seconds
A.0.74 seconds
B.0.84 seconds
C.0.94 seconds
D.1.4 seconds
A.Two bullion time
B.Twenty bullion time
C.Ten bullion time
D.Fifty bullion time
A.Increase our heart rate
B.Decrease our heart rate
C.Bring first increase then decrease
D.Not at all affect heart rate
A.60mm of Hg
B.80mm of Hg
C.100mm of Hg
D.120mm of Hg
A.Heart of Pila
B.Heart of rabbit
C.Both (a) & (b)
D.None of these
A.Sympathetic nerve fibres by releasing noradrenaline
B.Parasympathetic nerve fibres by releasing acetylcholine
C.Sympathetic nerve fibres by releasing acetylcholine
D.Parasympathetic nerve fibres by releasing noradrenaline
A.Increased
B.Decreased
C.Normal
D.First increased then decreased
A.Increased
B.Decreased
C.First increased then decreased
D.Unchanged
A.Noradrenaline
B.Acetylcholine
C.Both (a) & (b)
D.None of these