Question

the pacemaker of heart is​

Answer 1

Answer:

Pacemaker

(sino-atrial node) SAN

(atrio-venticular node) AVN

________________________

Location:-

• SAN in the walls of the right auricle , it is present near the opening of the superior vena cava .
• AVN is found near the interauricular septum near tricuspid valve.

____________________________

Function:-

Function of Pacemaker is to impulse or command the rate of heart beat.

• Sometimes the pacemaker becomes faulty causing heart trouble.An artificial pace-maker are fixed in the heart of such person. These are very expensive.
• A bundle of muscle fibres called 'BUNDLES OF HIS' begins from AVN and extends to the inter ventricular septum.

Answer 2

Answer :-

$\boxed{\bf\underline{Pacemaker}}$

(sino-atrial node) ${\sf\underline{SAN}}$

(atrio-ventricular node) ${\sf\underline{AVN}}$

____________________

$\boxed{\bf\underline{Location :-}}$

• ${\sf\underline{SAN}}$ in the walls of the right auricle , it is present near the opening of the superior vena cava.

• ${\sf\underline{AVN}}$ is found near the interauricular septum near tricuspid valve.

$\boxed{\bf\underline{Function :-}}$

Function of Pacemaker is to impulse or command the rate of heart beat.

• Sometimes the pacemaker becomes faulty causing heart trouble. An artificial pace-maker are fixed in the heart of such person. These are very expensive.

• A bundle of muscles fibres called ${\sf\underline{'BUNDLES OF HIS'}}$ begins from ${\sf\underline{AVN}}$ and extends to the inter ventricular septum.