Q&A/Class 7/Science

Why walls of veins are thinner than the walls of arteries?

Class 7CBSEScienceChapter: Transportation in Animals and Plants
πŸ‘ 13 viewsπŸ‘ 0 helpful
Veins do not have thick walls because blood in vein is no longer under pressure but blood emerges from the heart is under high pressure. So, arteries have thick walls.
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