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 Circulatory System 40 Flashcards |
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What is the primary function of the circulatory system? |
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To transport food, oxygen, and waste materials throughout the body. |
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Fill in the blank: The liquid portion of blood is called ______. |
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Plasma |
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True or False: White blood cells are responsible for transporting oxygen to body cells. |
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False. White blood cells are involved in defending the body against infections, not transporting oxygen. |
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Riddle: I am a small, round fragment that helps stop bleeding. What am I? |
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Platelet |
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Which blood vessel carries oxygenated blood from the lungs to the heart? A) Aorta B) Pulmonary Artery C) Pulmonary Veins D) Vena Cava |
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C) Pulmonary Veins |
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Fill in the blank: The heart has ______ chambers. |
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Four |
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True or False: The aorta is responsible for bringing deoxygenated blood back to the heart. |
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False. The aorta carries oxygenated blood from the heart to the body. |
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What is the normal blood pressure reading for a healthy person? |
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Around 120/80 mm Hg |
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Riddle: I am the force that blood exerts against arterial walls. What am I? |
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Blood pressure |
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Which type of blood cell is primarily responsible for fighting infections? |
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White Blood Cells (WBCs) |
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Fill in the blank: The process where blood passes through the heart twice in one cycle is called ______. |
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Double circulation |
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True or False: A heart attack occurs when the heart stops beating completely. |
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False. A heart attack occurs when blood flow to the heart is blocked, but the heart continues to beat. |
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What is the primary role of lymph in the body? |
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To return excess fluid from tissues to the bloodstream and assist in immune function. |
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Riddle: I carry nutrients and help fight infections but I'm not red like blood. What am I? |
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Lymph |
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Which of the following components of blood is involved in clotting? A) Plasma B) Red Blood Cells C) White Blood Cells D) Platelets |
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D) Platelets |
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Fill in the blank: The ______ separates the heart into right and left parts. |
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Septum |
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True or False: Lymph contains red blood cells. |
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False. Lymph is a clear fluid and does not contain red blood cells. |
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What is the function of the vena cava? |
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To bring deoxygenated blood from the body to the right auricle of the heart. |
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Riddle: I am the nutrient carrier that helps your body stay alive; without me, oxygen wouldn't thrive. What am I? |
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Blood |
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What happens during cardiac arrest? |
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The heart suddenly stops beating. |
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