Blood Components and Functions

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What is plasma?

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Plasma is the liquid part of blood, making up about 55% of it. It is mostly water and helps carry other blood cells and nutrients around the body.

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What are red blood cells?

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Red blood cells are the most common type of blood cells, making up almost 99% of them. Their main job is to carry oxygen from the lungs to the rest of the body.

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What is the function of white blood cells?

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White blood cells are part of the immune system and help fight infections. They are less common than red blood cells but are larger and crucial for health.

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What are platelets?

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Platelets are tiny cells in the blood that help form clots to stop bleeding when blood vessels are damaged.

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What is the role of oxygen in the body?

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Oxygen is a gas that is essential for life. It is carried by red blood cells to provide energy to the body's cells.

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What are nutrients?

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Nutrients are substances that provide nourishment to the body. They are carried in the blood to help cells grow and function.

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What is the circulatory system?

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The circulatory system is the system in the body that moves blood around. It includes the heart, blood vessels, and blood.

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What is bone marrow?

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Bone marrow is the soft tissue inside bones where blood cells are made, including red and white blood cells.

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What is hemoglobin?

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Hemoglobin is a protein in red blood cells that binds to oxygen and helps transport it throughout the body.

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What is an infection?

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An infection occurs when harmful germs enter the body and multiply. White blood cells help fight these infections.