Answer:
do you have any options but i can gueas it will train your body to beat the diseases and sickness that will enter your body
A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.
A. Self-monitoring
I hope this helps your studies!
D. Germs is the correct answer.
