Respiratory pump

Definition

The respiratory pump is a mechanism that aids in the movement of blood within the thoracic (chest) veins and abdominal regions during breathing. As one breathes, changes in pressure facilitate the flow of blood back to the heart, enhancing venous return.

Related terms

Venous Return: The return of blood to the heart via veins, crucial for maintaining blood circulation.

Thoracic Pressure: The pressure within the chest cavity, which fluctuates with breathing and influences heart function and blood flow.

Blood Pressure:

The force exerted by circulating blood on the walls of blood vessels, essential for transporting oxygen and nutrients throughout the body