15.3.1 - Human Circulatory System
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Practice Questions
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What is the primary function of the circulatory system?
💡 Hint: Think about what the blood carries.
Name the two upper chambers of the heart.
💡 Hint: What are the plural forms of the upper chamber?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of the human circulatory system?
💡 Hint: Consider what the blood does.
True or False: The heart has three chambers.
💡 Hint: Count how many chambers the heart actually has.
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Challenge Problems
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If the sino-atrial node fails, what consequence would it have on the heart’s rhythm? Discuss potential effects.
💡 Hint: Consider what happens when the pacemaker doesn’t send impulses.
Compare double circulation in humans to that of amphibians. What are the evolutionary advantages?
💡 Hint: Think about efficiency in how both groups handle oxygen delivery.
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