Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA. DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.
The heart is a vital organ located in the center of the chest with a slight tilt to the left. Using rhythmic muscle contractions, it circulates blood through veins and arteries, which supplies tissues with oxygenated blood and disposes waste.
Where Is Your Heart Located? It might be a shocker for some of you, but hearts isnât really located on the left side of your chest. It lies between the right and left lungs, in the middle of the chest and slightly towards the left of the breastbone. The heart is enclosed in the pericardium which is a double layer. This pericardium is attached to the diaphragm, spinal column and other parts via strong ligaments.