alleryStart learning →Why do erythrocytes settle at the tube's bottom?
AThey are heaviest
BThey are hollowest
CThey are healthiest
DThey are hardiest
Answer & Solution
Correct answer: A. They are heaviest
1. Centrifugation separates by density.
2. The densest fraction ends up lowest.
3. Because the heaviest elements in blood are the erythrocytes, these settle at the very bottom.
4. So the answer is they are heaviest.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 18 'Blood'_
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