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.
Answer:
what do you mean by that statement
Answer:
Although steroids come with the promise of enhancing the athlete’s ability to perform, these drugs have side effects, and athletes are setting themselves up for potential complications with dependence and even addiction. Simply put, athletes who abuse steroids are heading down an illegitimate path. While steroids might give them an unfair advantage in the short-term, they also set them up for failure in more ways than one.
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