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.
Doesn't sound reliable e<span>ven with tofu an lentels still not complete.You should go to a protein store and get protein supplements.</span>
<span>If you have contracted a vector-borne pathogen</span>
<span>O-front of distal half of humerus, embraces insertion of deltoid muscle ... tendon easily seen and provides guide to position of radial artery (pulse taking) at <span>wrist</span></span>
<span><span>hope this helps :)</span></span>
