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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes1 Mark
MCQ
The blood leaving the tissues becomes richer in :
  • ✓
    Carbon $-$ dioxide.
  • B
    Water.
  • C
    Haemoglobin.
  • D
    Oxygen.
✓

Answer

Correct option: A.
Carbon $-$ dioxide.
The blood leaving the tissues becomes richer in carbon $-$ dioxide,
i.e. it becomes deoxygenated.

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