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Given below are four statements [1-4] re...

Given below are four statements [1-4] regarding human blood circulatery system. 1.angina is acute chest pain when the blood circulation to the brain is reduced. 2.calcium ions play a very important role in blood clotting. 3.persons with blood group AB can donate blood to any person with any blood group under ABO system. 4.arteries are thick - walled and have narrow lumen as compared to veins. Which of these statements are correct?

A

2 and 3

B

3 and 4

C

2 and 4

D

1 and 4

Text Solution

Verified by Experts

The correct Answer is:
C
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