Systemic Circulation Overview
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Questions and Answers

What is the other name for the systemic circulation?

Greater circulation

What is the role of the systemic circulation in the body?

The systemic circulation carries oxygenated blood from the heart to the body's tissues and brings deoxygenated blood back to the heart.

What is the role of capillaries during the systemic circulation?

Capillaries are tiny blood vessels that allow the exchange of oxygen, carbon dioxide and other nutrients between the blood and the body's tissues.

Through what blood vessel is the blood propelled from the left ventricle?

<p>The aorta</p> Signup and view all the answers

Where does the systemic circulation end?

<p>The right atrium of the heart</p> Signup and view all the answers

What is the next step in the circulatory system after the systemic circulation ends?

<p>The pulmonary circulation</p> Signup and view all the answers

The systemic circulation carries only oxygenated blood.

<p>False (B)</p> Signup and view all the answers

The systemic circulation starts in the right ventricle of the heart.

<p>False (B)</p> Signup and view all the answers

Capillaries are responsible for transporting blood from the heart to the lungs.

<p>False (B)</p> Signup and view all the answers

The systemic circulation contributes to gas exchange between blood and tissue?

<p>True (A)</p> Signup and view all the answers

The systemic circulation begins in the left ventricle of the heart.

<p>True (A)</p> Signup and view all the answers

The systemic circulation ends with blood going into the lungs.

<p>False (B)</p> Signup and view all the answers

Flashcards

Systemic Circulation

The circulation of blood throughout the body, carrying oxygen to tissues and removing carbon dioxide.

Aorta

The blood vessel that carries oxygen-rich blood from the heart to the rest of the body.

Blood Capillaries

The smallest blood vessels that allow the exchange of gases between the blood and the body's tissues.

Gas Exchange

The process where oxygen moves from the blood into tissues and carbon dioxide moves from tissues into the blood.

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Superior Vena Cava

The large vein that carries deoxygenated blood from the head and upper body to the heart.

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Inferior Vena Cava

The large vein that carries deoxygenated blood from the lower body to the heart.

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Systemic Circulation Pathway

The process where blood starts in the left atrium and travels through the aorta to the body's tissues.

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Left Atrium

The chamber of the heart that receives oxygen-rich blood from the lungs.

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Left Ventricle

The chamber of the heart that pumps oxygen-rich blood to the body.

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Pulmonary Circulation

The system of circulation that carries blood between the heart and the lungs.

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Study Notes

Systemic Circulation

  • Systemic circulation, also called the great circulation, facilitates gas exchange between blood and tissues.
  • This loop transports oxygen-rich blood (O2) from the heart to organs, and carbon dioxide-rich blood (CO2) from organs back to the heart.
  • Systemic circulation begins in the left atrium.

Systemic Circulation Steps

  • Step 1: Oxygen-rich blood moves from the left atrium to the left ventricle.
  • Step 2: The left ventricle contracts, pushing blood into the aorta.
  • Step 3: Blood travels to the head, upper limbs, abdomen, and lower limbs.
  • Step 4: Oxygen diffuses from the blood to tissues, and carbon dioxide diffuses from tissues to blood through capillary walls.
  • Step 5: Carbon dioxide-rich blood flows into the superior and inferior vena cava.
  • Step 6: Blood enters the right atrium.
  • This marks the end of systemic circulation and the beginning of pulmonary circulation.

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Description

This quiz delves into the process of systemic circulation in the human body. It covers the steps from the left atrium to the right atrium, explaining how oxygen-rich blood travels through the body and how gas exchange occurs in tissues. Test your knowledge of this vital circulatory loop and its role in overall health.

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