CBSE - X - Biology - Life Processes
AS I HAVE A PROJECT IN SCHOOL ,CAN I HAVE SOME INFORMATION ,WORKING AND FACTS ABOUT VEINS ....
Veins are the blood vessels which carry blood towards the heart.
The walls of the veins are thin and elastic,
Veins have valves in them which prevent the backflow of blood.
In veins, blood flows under low pressure and smoothly.
Rate this answer
You have rated this answer /10