The p wave represents atrial contraction
ANSWER:
the answer is A
~BATMANS WIFE DUN DUN DUN...AKA ~SERENITYBELLA
I believe that it creates shocks to try and start the heart up again after a heart attack. (why the sticky pads are put with the heart in the middle)
d. cognitive
"Cognitive development is the construction of thought processes, including remembering, problem solving, and decision-making, from childhood through adolescence to adulthood."
I hope this helps!
