[Solved] At high altitude,RBCs of human blood will (C.B.S.E.1995,Pb.PMT.1999,J.LPM.E.R.2000)

Q.	At high altitude,RBCs of human blood will (C.B.S.E.1995,Pb.PMT.1999,J.LPM.E.R.2000)
A.	Increase in number
B.	Decrease in number
C.	Decrease in size
D.	Increase in size
Answer» A. Increase in number

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