Sodium is an essential mineral and electrolyte that is crucial for maintaining fluid balance, nerve transmission, and muscle contraction, including the contraction of the heart muscle. It is the primary positively charged ion in the fluid surrounding cells (extracellular fluid), and its concentration is tightly regulated by the kidneys and hormonal systems. Excess sodium in … Read more
The muscular wall dividing a chamber on the left side of the heart from the chamber on the right.
Saturated fat is a type of dietary fat in which the fatty acid chains have no double bonds between carbon atoms, meaning they are fully ‘saturated’ with hydrogen atoms. This structure makes them solid or semi-solid at room temperature. Saturated fats are found predominantly in animal products including butter, cheese, full-fat dairy, and fatty meat, … Read more