caption: <PERSON> are the left and right atrium
exif: {"Image DocumentName": "Heart Chambers Top Chambers are the left and right atrium", "Image ImageDescription": "Bottom Chambers are the left and right ventricles. ~ atrium walls are thin because only needed to pump blood to bottom chambers.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}