Correct option is A
The correct answer is (a) RBC (Red Blood Cells).
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RBC (Red Blood Cells): Red blood cells, also known as erythrocytes, are the primary carriers of oxygen in the blood. They contain a protein called hemoglobin, which binds to oxygen molecules in the lungs and transports them to tissues and organs throughout the body. Hemoglobin is responsible for the red color of blood and its ability to carry oxygen efficiently. Each red blood cell contains about 270 million hemoglobin molecules, allowing for the efficient transport of oxygen.
Additional Information:
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Platelet : Platelets, or thrombocytes, are small cell fragments that play a crucial role in blood clotting and wound healing. They do not carry oxygen.
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Plasma : Plasma is the liquid component of blood that carries nutrients, hormones, waste products, and other substances. It does not carry oxygen but provides a medium for red blood cells, white blood cells, and platelets to circulate throughout the body.
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WBC : White blood cells, or leukocytes, are part of the immune system and help defend the body against infections and foreign substances. They do not carry oxygen.
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