A. Chlorophyll
A.
B. Haemocyanin
B.
C. Myosin
C.
D. Hemoglobin
D.
Correct Answer: D
সঠিক উত্তর: D
Explanation
ব্যাখ্যা
Hemoglobin is a protein found in red blood cells that is responsible for transporting oxygen from the lungs to the tissues throughout the body. It's the primary respiratory pigment in humans.