Question

skin:keratin ::blood:​

Answer 1

$\huge{\mathfrak{\purple{Question}}}$

skin:keratin ::blood:​?

$\huge{\mathfrak{\purple{Answer}}}$

skin:keratin ::blood:​Hemoglobin

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#hopeithelps

Answer 2

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skin:keratin ::blood:Hemoglobin

mark above one as brainlist