Hemoglobin, the oxygen carrying substance in red blood cells, is a
A. Nuclei acid
B. Carbohydrates
C. Fats
D. Proteins
Answer: Option D
Solution(By Examveda Team)
Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body. The main job of white blood cells, or leukocytes, is to fight infection.This Question Belongs to General Knowledge >> Biology
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