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Why is blood classified as a tissue?
A
In a prepared blood smear, red blood cells appear as pink discs with a paler centre because their biconcave dip lets more light through the middle.
B
It binds oxygen instead of allowing only small amounts to dissolve in plasma.
C
It cannot repair itself or divide, so it survives for about three months.
D
It is a group of cells working together, carried in a liquid.
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2.2.5 Red blood cells and plasma Flashcards
20 flashcards on OCR GCSE Biology 2.2.5 Red blood cells and plasma: the key terms, definitions and processes you need to recall for the written papers.