SA node acts as a pacemaker of the heart because of the fact that it_________________?

A. is capable of generating impulses

B. Has poor cholinergic innervation

C. Has rich sympathetic innervation

D. Generates impulses at the highest rate

Found an error? Read our corrections policy and report it in the comments below.

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.