Question

give reason a.arteries are thick walled blood vessels.
b.veins have in them​

Answer 1

A) Arteries carry oxygenated blood from the heart to the different body parts. Blood emerges from the heart under high pressure. In order to withstand this pressure, arteries have thick walls.

B) I DOESN'T GET YOU IN YOUR SECOND QUESTION, PLEASE MAKE IT CLEAR.

HOPE IT HELPS.!!!!!.

Answer 2

Arteries carry oxygenated blood from the heart to the different body parts. Blood emerges from the heart under high pressure. In order to withstand this pressure, arteries have thick walls.

I hope this answer is helpful for you

so plz follow me.,............