Blood & The Immune System HW #2 (2024-2025)

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What are the components of blood?

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Blood is composed of red blood cells (RBCs), white blood cells (WBCs), platelets, and plasma.

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What is the function of red blood cells (RBCs)?

Back

RBCs transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs.

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What is the role of white blood cells (WBCs) in the immune system?

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WBCs are responsible for defending the body against infections and foreign invaders.

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What are platelets and their function?

Back

Platelets are cell fragments that help in blood clotting to stop bleeding.

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What is plasma?

Back

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.

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What are antibodies?

Back

Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

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What is the significance of blood type?

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Blood type determines compatibility for blood transfusions and organ transplants, based on the presence of specific antigens.

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What antigens are present in TYPE AB blood?

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TYPE AB blood has both A and B antigens on the surface of its red blood cells.

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What antibodies are present in TYPE AB blood?

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TYPE AB blood has no antibodies against A or B antigens in the plasma.

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What is the Rh factor?

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The Rh factor is a protein that can be present on the surface of red blood cells; its presence or absence determines if blood type is positive or negative.