Multiple choice general knowledge science & technology

Element that is not found in blood is

  1. Iron

  2. copper

  3. Chromium

  4. Magnesium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Blood contains iron (in hemoglobin), copper (in ceruloplasmin), and magnesium (as an electrolyte). Chromium is not a normal constituent of blood and is not required in blood physiology. While trace chromium exists in the body, it's not a blood component like the other elements listed.

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