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OpenStudy (anonymous):
According to cell theory, which is not made from cells? blood water skin bone
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thomaster (thomaster):
skin is made from cells bone is made from a hardening matrix of hydroxyapatite and collagen around entrapped cells. blood is made from plasma and blood cells. Water is made from hydrogen and oxygen. So I think the answer is obvious now :)
OpenStudy (gtxmuqsit):
Water definitely :) H+O2
OpenStudy (aaronq):
"H+O2" ?
thomaster (thomaster):
H2+O
OpenStudy (gtxmuqsit):
sory H2+O
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