Impulse originating from sinu-atrial node are transmitted to the

Lmpulse oritinating from SA node is transmitted to

Sino-atrial node is present in

Sino-atrial node is present in

Nerve fibres from olfactory receptor transmit their impulses to A while impulses from gustatory receptors are transmitted to B of cerebrum.Choose the option which gives the correct answer for A and B

The cardiac impulses originate from the ................ and are passed on to the bundle of His by …………………

Go through the following statements (i) Vagus nerve decreases the rate of impulse formation from the SA node and its conduction (ii) As the human heart is myogenic in nature, the rate of formation and conduction of cariac impulse cannot be changed by the action of nerves (iii) The end of T-wave in ECG marks the end of systole. (iv) If the P-wave in ECG is inverted , it indicates that SA node fails to initiate impulse and the atrial muscle depolarises by the impulse originating in A.V. node. Whic of these are correct ?

Go through the following statements (i) Vagus nerve decreases the rate of impulse formation from the SA node and its conduction (ii) As the human heart is myogenic in nature, the rate of formation and conduction of cariac impulse cannot be changed by the action of nerves (iii) The end of T-wave in ECG marks the end of systole. (iv) If the P-wave in ECG is inverted , it indicates that SA node fails to initiate impulse and the atrial muscle depolarises by the impulse originating in A.V. node. Which of these are correct ?