Compared with the walls of arteries, the walls of capillaries.

A. are thicker

B. are thinner

C. lack valves

D. have more resistance

The correct answer is B. are thinner.

Compared with the walls of the arteries are thinner than the walls of the capillaries.

Capillary is termed as a small blood vessel which is from five to ten micrometers. They are known to be the smallest blood vessels in the body.

They do convey blood between venules and arterioles. Substances which exits from capillaries include glucose, water, and oxygen. In embryonic development, new capillaries are formed through vasculogenesis.

The artery is termed as the blood vessel which takes away blood from the heart to the other parts of the body. Many arteries carry oxygenated blood except umbilical arteries and pulmonary artery which carries deoxygenated blood. Arteries are responsible to deliver nutrients and oxygen to all cells as well as they remove carbon dioxide and waste products.

Compared with the walls of arteries, the walls of capillaries B. are thinner. Due to definitions of both arteries and capillaries.