Which blood component is crucial for ‘Oxygen Transport’?
ARed Blood Cells
BPlatelets
CPlasma
DWhite Blood Cells
Explanation
• RBCs (erythrocytes) contain hemoglobin, which binds to oxygen in the lungs.
• They lack a nucleus to maximize space for hemoglobin.
• They have a characteristic biconcave shape.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers
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