Detailed examinations of the heart have revealed the pivotal role of the left ventricle—it’s the area of the heart that develops first and provides the force to pump blood around our bodies. Crucially, it is also the area most commonly implicated in heart disease and heart attacks and it is the area most prone to suffering the cardiotoxic effects of certain drugs.
Click here for original story, A heartbeat in a dish: Growing specialized heart cells
Source: Phys.org