His name resides on my heart like "SAN" ''SAN'' sino-atrial node That generate maximum no of action potential On my heart... By rhythmic contraction... ππ When other name i found like that My heart rhythmic contraction increases... ''SAN'' moves up and down Due to this i feel restless sometimes. πππ But after that his name resides on my heart like''SAN" By din't of thisΒ iΒ live today My pacemaker "SAN" π
πππ I write it when i study my biology book,i feel like the situation so i write it on like this manner. Really i feel so much happiness with My"SAN'' Thanks for reading.