Basics of Heart Health + Why Cholesterol Is Friendlier Than You Think

The Basics The cardiovascular system, comprised of the heart, blood vessels, and approximately 5 litres of blood, keeps us alive. It transports oxygen, nutrients, hormones, waste, and immune cells throughout the body. Blood consists of blood cells, such as white blood cells, red blood cells, and platelets, as well as plasma (mostly water with a small percentage of proteins, glucose, ... Read More