HalimaTarin

software presentation peristalsis problem peristalsis disease small intestine intestinal peristalsis esophageul peristalsis digestive tract segmentation peristalsis digestive system digestion aorta cardiac cycle systole isovolumic contraction ventricular ejection ventricular events ventricle atrium blood circulation heart pumping heart network components networking hybrid topology mesh topology tree topology star topology ring topology bus topology components of network vpn storage area network lan man wan topology internet extranet intranet computer network