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Q: Which of the following is required to make hemoglobin in the blood?
  • A. Iron
  • B. Fat
  • C. Protein
  • D. Calcium
Correct Answer: Option A - Hemoglobin is a protein that is found in red blood cells and carries oxygen throughout the body. Hemoglobin contains iron, which gives blood its red colour and binds to oxygen. Iron is an essential mineral that is obtained from the diet, such as from meat, eggs, beans and green leafy vegetables.
A. Hemoglobin is a protein that is found in red blood cells and carries oxygen throughout the body. Hemoglobin contains iron, which gives blood its red colour and binds to oxygen. Iron is an essential mineral that is obtained from the diet, such as from meat, eggs, beans and green leafy vegetables.

Explanations:

Hemoglobin is a protein that is found in red blood cells and carries oxygen throughout the body. Hemoglobin contains iron, which gives blood its red colour and binds to oxygen. Iron is an essential mineral that is obtained from the diet, such as from meat, eggs, beans and green leafy vegetables.