NEET PG DENTAL EXAM

Detailed explanation-1: -Capillaries are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.

Detailed explanation-2: -A capillary is a small blood vessel from 5 to 10 micrometres in diameter, and is part of the microcirculation system. Capillaries are microvessels and the smallest blood vessels in the body.

Detailed explanation-3: -The correct option is A True. Blood vessels: A network of tube-like structures that transport blood from the heart to the tissues and from the tissues to the heart are called blood vessels. There are three types of blood vessels namely-arteries, veins, and capillaries.

Detailed explanation-4: -Capillaries are the smallest blood vessels in the body. How small are they? About ten of them equal the thickness of one human hair, and most are so small that only one blood cell can pass through them at a time.