Metal present in blood is

This question was previously asked in
TNPSC Group 4 Official Paper 2011 (Held on: 07 Aug 2011)
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  1. Al
  2. Mg
  3. Fe
  4. Cu.

Answer (Detailed Solution Below)

Option 3 : Fe
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Detailed Solution

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The correct answer is Fe.

Key Points

  • Iron (Fe) is the metal present in the blood, specifically in the haemoglobin molecule.
  • Haemoglobin is responsible for transporting oxygen from the lungs to various tissues in the body.
  • Iron is essential for the formation of red blood cells and overall blood health.
  • A deficiency in iron can lead to anaemia, a condition where there is a lack of healthy red blood cells to carry adequate oxygen to the body's tissues.
  • Iron can be obtained from dietary sources such as red meat, beans, lentils, and fortified cereals.

Additional Information

  • Other metals found in trace amounts in the blood include copper (Cu) and zinc (Zn).
  • Copper is involved in the formation of haemoglobin and the maintenance of healthy blood vessels.
  • Magnesium (Mg) is crucial for numerous biochemical reactions in the body, though it is not a primary component of blood.
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