CTET 2 Math and Science 5 Jan 2022 Paper
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Question : 61 of 150
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Consider the following statements about veins
A. Veins carry CO2 rich blood from all parts of the body back to the heart
B. Veins have thick walls
C. Veins have valves which allow blood to flow only towards the heart
The correct statement(s) is/are
A. Veins carry CO2 rich blood from all parts of the body back to the heart
B. Veins have thick walls
C. Veins have valves which allow blood to flow only towards the heart
The correct statement(s) is/are
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