Haemoglobin is an important
component of _______.
A. White blood cells
B. Red blood cells
C. Plasma
D. All options are correct
Blood is a fluid connective tissue that carries oxygen, glucose, and nutrients throughout the body. It mainly consists of four types of components, namely red blood cells (RBCs), white blood cells (WBCs), plasma, and platelets. Red blood cells (RBCs) are formed inside the bone marrow and contain hemoglobin.
Correct answer: option B. Red blood cells.
Hemoglobin is an important component of red blood cells.
Hemoglobin is a protein molecule found in the red blood cells. It is made up of four subunits: two alpha and two beta subunits. Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule, thereby allowing each hemoglobin molecule to bind four oxygen molecules. Hence, it is referred to as the oxygen-carrying substance in a red blood cell. Therefore option B. is correct.
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