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SingaporeSports ScienceQuick questions
Cardiovascular and Respiratory Systems
Quick questions on Structure of the heart: O-Level Exercise and Sports Science
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are the four chambers?Show answer
The heart has four chambers, arranged as two pairs.
What are the valves?Show answer
Valves keep blood flowing in one direction by opening to let blood through and closing to stop it flowing back.
What are the major vessels?Show answer
Four great vessels connect the heart to the rest of the circulation.
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