Image Description: Illustration showing venous return flow through veins with valve open. Venous return is the rate of blood flow back to the heart. This illustration demonstrates how blood returns to the heart as it is pumped up through the veins back to the heart. Image File Sizes: Size Pixels Inches cm Small 316x600px 1.1x2.0” @300dpi4.3x8.3" @72dpi 2.7x5.1cm @300dpi11.1x21.2cm @72dpi Medium 632x1200px 2.1x4.0” @300dpi8.7x16.7" @72dpi 5.4x10.2cm @300dpi22.3x43.3cm @72dpi Large 1452x2757px 4.8x9.2” @300dpi20.1x38.2" @72dpi 12.3x23.3cm @300dpi51.2x97.2cm @72dpi Anatomy Visible in the Medical Illustration Includes: Veins, blood, valves Image created by: Joanna Culley
