Question

Put a tick mark (✓) against the correct alternative in the following statements:​

​(d) Blood Capillary is a

• A. Artery with thick wall
• B. Broad tube
• C. Vein with large lumen
• D. Narrow tube made up of endothelium only

Answer 1

The correct option is D Narrow tube made up of endothelium only

The correct answer is (d) Narrow tube made up of endothelium only.​

• Capillary is a very narrow blood vessel whose walls have a single layer of cells(endothelium).​

• The wall of capillary is very thin to enable an exchange of nutrients, waste products and gases between the blood and body fluids.