Human circulatory system

What is the role of the left ventricle?

• It pumps deoxygenated blood to the lungs.

• It pumps oxygenated blood to the rest of the body.

• It receives blood from the right atrium.

• It regulates blood pressure in the arteries.

What is the function of red blood cells?

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

• To fight infections and protect the body against diseases.

• To regulate body temperature and maintain homeostasis.

• To produce hormones that control various bodily functions.

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What is the function of capillaries?

• Capillaries are responsible for transporting blood away from the heart.

• Capillaries are tiny blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs between blood and tissues.

• Capillaries are large vessels that store blood for later use.

• Capillaries are involved in the production of red blood cells.

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What is the circulatory system?

• A system that digests food and absorbs nutrients.

• A system that circulates blood and lymph through the body, consisting of the heart, blood vessels, and blood.

• A system that controls body temperature and hormone levels.

• A system that provides structural support to the body.

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What is the function of white blood cells?

• They transport oxygen in the blood.

• They are part of the immune system and help fight infections.

• They help in the digestion of food.

• They produce hormones that regulate metabolism.

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What is the role of the right ventricle?

• It pumps oxygenated blood to the body.

• It pumps deoxygenated blood to the lungs for oxygenation.

• It receives blood from the lungs.

• It stores blood before it is pumped to the heart.

What is the role of platelets in the blood?

• They are responsible for transporting oxygen in the blood.

• They help in the digestion of food.

• They are involved in blood clotting and help prevent bleeding.

• They regulate body temperature.

What is the main function of the heart?

• To filter toxins from the blood

• To pump blood throughout the body, delivering oxygen and nutrients while removing waste products.

• To produce hormones that regulate metabolism

• To store blood for emergencies

What is blood plasma?

• Blood plasma is the solid component of blood, making up about 45% of its volume.

• Blood plasma is the liquid component of blood, making up about 55% of its volume.

• Blood plasma is a type of white blood cell responsible for immune response.

• Blood plasma is the part of blood that carries oxygen to the body's tissues.

What is the purpose of valves in veins?

• To increase blood pressure

• To prevent backflow of blood, especially when blood pressure is low

• To transport oxygenated blood

• To regulate heartbeats