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.
The answer would be abstinence because you’re abstaining from doing.... it
Answer:
You would have to answer that yourself.
Explanation:
False, It's the fluid/gel in between the lens and retina of the eye
