Answer:
The answer is B. from east to west
Answer:
d is the correct answer of your question
Answer: The SA node
Answer choices are:
<span>A. </span>The AV node
<span>B. </span>The SA node
<span>C. </span>The purkinje fibers
<span>D. </span>The AV bundle
The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code. </span>
The answer will be B. It is common sense
Sorry if I’m wrong but I believe it’s the cardiovascular and lymphatic system
Hope this helps!