Electrical events of the cardiac cycle and their corresponding graph on the EKG
Wave changes during evolution of myocardial damage. http://what-when-how.com/paramedic-care/diagnostic-ecgthe-12-lead-clinical-essentials-paramedic-care-part-4/
Leading and Lagging strand
Initiation in DNA replication
This image demonstrates the fluid flow between capillaries and body tissues.
DNA is transcribed from an RNA template.