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Human Heart Chambers and Blood Circulation Quiz

8 Questions

1 Views

Human Heart Chambers and Blood Circulation Quiz

Created by

@FascinatingBeryllium

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Questions and Answers

What is the function of the chambers in the heart?

To ensure deoxygenated blood is pumped out to the body

To transport carbon dioxide to the lungs

To mix oxygen-rich blood with deoxygenated blood

To prevent the mixing of oxygen-rich blood with carbon dioxide-rich blood (correct)

What is the role of the left atrium in the heart?

Expands to transfer oxygenated blood to the left ventricle (correct)

Contracts to pump blood to the lungs

Relaxes to pump blood to the body

Dilates to collect deoxygenated blood

Why do ventricles have thicker muscular walls than atria?

To prevent mixing of deoxygenated blood with oxygenated blood

To transfer blood to the left atrium

To pump blood into various organs (correct)

To pump blood to the lungs

Which chamber in the heart contracts to pump oxygen-rich blood to the body?

<p>Left ventricle</p> Signup and view all the answers

What happens in the right atrium as it expands?

<p>It expands to receive deoxygenated blood</p> Signup and view all the answers

What is the function of valves in the heart?

<p>To prevent backward flow when chambers contract</p> Signup and view all the answers

What happens when the left ventricle contracts?

<p>Blood is pumped out to the body</p> Signup and view all the answers

What is the purpose of transferring carbon dioxide-rich blood to the lungs?

<p>To remove carbon dioxide from the lungs for exhalation</p> Signup and view all the answers

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