Free Notes for Class 5–12 | CBSE | 24x7 Access
Student School Teacher Help
Home Schools Pricing
Log in Get Started
Class 10 Science Medium Mcq English Medium

Veins do not need thick walls like arteries mainly because:

Question
Veins do not need thick walls like arteries mainly because:
They carry less blood
Blood in veins is no longer under high pressure
They are located deeper in the body
They carry only lymph
Answer
Blood in veins is no longer under high pressure
Detailed Explanation
Since blood returning through veins is no longer under high pressure, veins do not need thick walls, though they do have valves to prevent backflow.
Related Questions
Which of the following is used as a criterion to decide whether something is alive, apart from visib... Science · Life Processes Why do living organisms need to constantly repair and maintain their structures? Science · Life Processes The processes that together perform the maintenance functions of an organism are collectively called... Science · Life Processes Why is there controversy about whether viruses are truly alive? Science · Life Processes

Want the full Science question bank?

Log in for free to unlock practice tests, notes, and an AI tutor for Class 10.

Get started free