Is it true, is the compsition of tears blood, without the red blood cells?

Subject: Is it true, is the compsition of tears blood, without the red blood cells?

Date: Tue Jul 4 15:32:07 2006
Posted by Diane
Grade level: nonaligned School: NA
City: Cronulla State/Province: NSW Country: Australia
Area of science: General Biology
ID: 1152052327.Gb

Message:


I once heard a prominent celebrity scientist in Australia say that the 
composition of tears is actually blood without the red blood cells. Is this 
true? If not, then what is the main reason?

Re: Is it true, is the compsition of tears blood, without the red blood cells?

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