Capillaries: The Tiny Vessels Delivering Oxygen & Nutrients to Cells

The tiny blood vessels that allow food, oxygen, and other substances to pass to the cells are called capillaries. Capillaries are the smallest blood vessels in the body and form the connection between arteries and veins. They are found in all tissues and organs of the body and play a crucial role in the exchange of nutrients, oxygen, and waste products between the blood and the cells.