Answer:
It is the smallest blood vessels in the body that carries blood cells ,salts & nutrients to be supplied to tissues & organs.

It is a minute(nm) tube that permits flow of minute solutions/gas in minimum molecular form.
A capillary is the smallest blood vessel in the body. They are the vessels in which gas exchange occurs.
First answer by ID1257393915. Last edit by Shekharsarkar. Contributor trust: 110 [recommend contributor recommended]. Question popularity: 4 [recommend question].