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Question: What is the role of the aorta in the circulatory system?Options: To carry deoxygenated blo..
Question: Which chamber of the heart receives oxygenated blood from the lungs?Options: Right atriumL..
Question: Which structure prevents the backflow of blood from the aorta into the left ventricle?Opti..
Question: What is the primary component of the heart\'s conduction system that follows the SA node?O..
Question: Which of the following is a characteristic of the pulmonary circulation?Options: It carrie..
Question: What is the term for the volume of blood pumped by the heart in one minute?Options: Stroke..
Question: What is the function of the valves in the heart?Options: To increase blood pressureTo prev..
Question: Which type of blood vessel carries oxygen-rich blood away from the heart?Options: VeinsCap..
Question: What is the role of the sinoatrial (SA) node in the heart?Options: To pump blood to the lu..
Question: What is the primary function of the coronary arteries?Options: To supply blood to the lung..
Question: What is the term for the contraction phase of the heart cycle?Options: DiastoleSystoleArrh..
Question: What is the primary pacemaker of the heart?Options: Atrioventricular nodeBundle of HisSino..
Question: Which circulatory system is found in mammals?Options: Open circulatory systemClosed circul..
Question: What is the function of red blood cells?Options: To fight infectionsTo transport oxygenTo ..
Question: Which part of the heart is responsible for pumping oxygenated blood to the body?Options: R..
Question: What is the role of the valves in the heart?Options: To increase blood pressureTo prevent ..
Question: Which type of blood vessel carries blood away from the heart?Options: VeinsCapillariesArte..
Question: What is the largest artery in the human body?Options: Pulmonary arteryAortaCoronary artery..
Question: Which chamber of the heart receives deoxygenated blood from the body?Options: Left atriumR..
Question: What is the primary function of the circulatory system?Options: To digest foodTo transport..
Question: Which of the following is NOT a characteristic of amphibians?Options: Cold-bloodedMoist sk..
Question: What is the primary role of the nervous system?Options: To support the body structureTo co..
Question: What is the term for the process by which species evolve over time?Options: Natural select..
Question: Which group of animals is known for laying eggs with hard shells?Options: MammalsReptilesA..
Question: What is the primary role of the nervous system in animals?Options: DigestionMovementCoordi..
Question: Which of the following is NOT a characteristic of chordates?Options: NotochordDorsal nerve..
Question: Which reproductive strategy involves the development of offspring inside the mother\'s bod..
Question: Which organ is primarily responsible for filtering blood in mammals?Options: LiverHeartKid..
Question: What is the process by which organisms change over time through adaptations?Options: Natur..
Question: Which of the following is a characteristic of mammals?Options: FeathersScalesHair or furGi..
