Preload is the stretch. The amount of volume being returned to the right side of the heart from systemic circulation. Afterload is the squeeze. The amount of resistance the left side of the heart has to overcome in order to eject blood.
Digestion is a complex process of transforming food you eat into energy you need to survive, as well as, creating waste to be eliminated from the body. The digestive tract (gut) is a long twisting tube that starts at the […]