CTET 2 Math and Science 7 Jan 2022 Paper
© examsiri.com
Question : 77 of 150
Marks:
+1,
-0
Which of the following statements is/are true regarding veins in human beings?
A. They mostly carry carbon dioxide rich blood to the heart.
B. They have thick walls.
C. They have valves which allow blood to flow in one direction.
D. They are superficially locked under the skin
A. They mostly carry carbon dioxide rich blood to the heart.
B. They have thick walls.
C. They have valves which allow blood to flow in one direction.
D. They are superficially locked under the skin
Go to Question: