Muscle Contraction and Venous Flow

Image Description:

Illustration showing contraction of muscles and the venous flow. As the muscles in, for example, the leg contract the valves in the vein open to allow blood to flow back towards the heart. The contraction of a series of muscles opens and closes the valves, forcing blood back towards the heart.

Image File Sizes:

Anatomy Visible in the Medical Illustration Includes:

Blood, vein, venous flow, valve, muscle, leg

Image created by:

Joanna Culley