Heart shows rhythmic contractions and expansions withour pause and fatigue which may be defined as
A.Circulation in the heart
B.Heart beat
C.Both (a) & (b)
D.None of these
A.Circulation in the heart
B.Heart beat
C.Both (a) & (b)
D.None of these
A.Bradyeardia
B.Tachycardia
C.Both (a) & (b)
D.None of these
A.20% of the cardiac output
B.30% of the cardiac output
C.40% of the cardiac output
D.35% of the cardiac output
A.Stress
B.Anger
C.Excitement
D.All of these
A.Reduced
B.Increased
C.Often increased and often decreased
D.Not affected
A.SA-Node
B.AV-Node
C.Perkinjie fibre
D.None of these
A.10%, 15% 25%, 20% and 30%
B.15%, 15% 25%, 20% and 25%
C.10%, 20% 25%, 30% and 15%
D.10%, 15% 20%, 30% and 15%
A.Parasympathetic fibres from vagus nerve
B.Sympathetic fibres occurring in some spinal nerves
C.Both of these fibres
D.None of these
A.Rest
B.Sleeping
C.Both (a) & (b)
D.None of these
A.Neurogenic
B.Myogenic
C.Both (a) & (b)
D.None of these