1. Vena cava
  2. Arteries
  3. Veins
  4. Capillaries

Share with your friends
AhmedNazir

Call

Answer: Option 4

A capillary is a small blood vessel from 5 to 10 micrometres (μm) in diameter, and having a wall one endothelial cell thick. They are the smallest blood vessels in the body: they convey blood between the arterioles and venules.

Talk Doctor Online in Bissoy App