RRB Group D 3-Oct-2018 Shift 1 Solved Paper

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Question : 45 of 100

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Which of the following is NOT true about vascular system?

Life span of human RBC is 115-120 days.
The vascular system forms about 7-8% of the body weight.
Blood is white or red vascular connective tissue.
There is about 5-6 liters of blood in an adult person

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