NEET PG DENTAL EXAM

Detailed explanation-1: -One cell thick vessels are the blood vessels that join arteries and veins are the tiniest and most abundant blood vessels, called capillaries. They primarily serve the purpose of exchanging materials between the blood and tissue cells.

Detailed explanation-2: -They’re so tiny that red blood cells have to pass through in a single file line. Capillaries contain two layers of cells: Endothelial cells are inside the capillary. They control the flow of fluid, nutrients and gases.

Detailed explanation-3: -Capillaries are very thin, approximately 5 micrometers in diameter and composed of only two layers of cells. The inner layer is made up of endothelial cells with an outer layer of epithelial cells.

Detailed explanation-4: -Capillaries. Capillaries are the smallest of blood vessels. Their walls consist of a single layer of endothelial cells and the smallest have a single endothelial cell wrapped around to join with itself.