Question

blood capillary is a :
( 1 ) broad tube
( 2 ) artery with thick wall
( 3 ) vein with large lumen
( 4 ) narrow tube made up of endothelium only​

Answer 1

Answer:

4 narrow tube made up of endothelium only. It is the thinest blood vessel

Answer 2

Answer:

Option (4) is right

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