Sagot :
Answer: Letter D.
P Waves.~ The first kind of body wave is the P wave or primary wave.
Explanation:
The P wave on the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.
Answer: Letter D.
Explanation:
The P wave on the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.