Heart Anatomy (copy)

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Last updated 12:43 PM on 5/3/26
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22 Terms

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Aorta

largest artery in the body

aortic arch delivers oxygenated blood to the head and neck while the descending aorta delivers to the rest of the body.

<p>largest artery in the body</p><p></p><p class="has-focus is-empty">aortic arch delivers oxygenated blood to the head and neck while the descending aorta delivers to the rest of the body.</p>
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heart

a muscular organ that pumps blood throughout the body

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Left Pulmonary Artery

Carries deoxygenated blood from the right ventricle to the lungs.(specifically left lung)

<p><span>Carries deoxygenated blood from the right ventricle to the lungs.(specifically left lung)</span></p>
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Pulmonary Veins

oxygenated blood resturn from lungs to the left atrium via the right and left pulmonary veins.

<p>oxygenated blood resturn from lungs to the left atrium via the right and left pulmonary veins.</p>
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Left Ventricle

contains oxygenated blood that contracts to the aortic semilunar valve.

<p>contains oxygenated blood that contracts to the aortic semilunar valve.</p>
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Pulmonary Trunk

deoxygenated blood enters pulmonary trunk into the right right and left pulmonary arteries that carry the blood to the lungs.

<p>deoxygenated blood enters pulmonary trunk into the right right and left pulmonary arteries that carry the blood to the lungs.</p>
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Right Pulmonary Artery

carry deoxygenated blood to the right lung

<p>carry deoxygenated blood to the right lung</p>
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Right Pulmonary Veins

carry oxygenated blood to the left atrium to be spread across the body by the aorta

<p>carry oxygenated blood to the left atrium to be spread across the body by the aorta</p>
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Superior Vena Cava

brings depxygenated blood fro mthe top half of the body

<p>brings depxygenated blood fro mthe top half of the body</p>
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Left Pulmonary Veins

brign oxygenated blood from the left lung to the left atrium

<p>brign oxygenated blood from the left lung to the left atrium</p>
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Aortic Semilunar valve

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Bicuspid Valve

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interventricular septum

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Left Atrium

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Left Ventricle

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Pulmonary Semilunar Valve

Located between the right ventricle and the pulmonary artery.

<p><span>Located between the right ventricle and the pulmonary artery.</span></p>
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Right Atrium

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Right Ventricle

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Tricuspid Valve

Located between the right atrium and right ventricle.

<p><span>Located between the right atrium and right ventricle.</span></p>
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Pathway of blood - systemic circuit

  • Oxygenated blood is pumped from the left ventricle through the aorta to the body tissues.

  • In the body tissues, gas exchange occurs: oxygen is delivered to the tissues, and carbon dioxide is absorbed.

  • Deoxygenated blood returns from the body tissues to the right atrium via the vena cava.

  • Pathway: Heart →→ Aorta →→ Body Tissues (gas exchange) →→ Vena Cava →→ Heart

<ul><li><p>Oxygenated blood is pumped from the left ventricle through the aorta to the body tissues.</p></li><li><p>In the body tissues, gas exchange occurs: oxygen is delivered to the tissues, and carbon dioxide is absorbed.</p></li><li><p>Deoxygenated blood returns from the body tissues to the right atrium via the vena cava.</p></li><li><p>Pathway: Heart <span style="font-family: KaTeX_Main, &quot;Times New Roman&quot;, serif; line-height: 1.2; font-size: 1.21em;">→→</span> Aorta <span style="font-family: KaTeX_Main, &quot;Times New Roman&quot;, serif; line-height: 1.2; font-size: 1.21em;">→→</span> Body Tissues (gas exchange) <span style="font-family: KaTeX_Main, &quot;Times New Roman&quot;, serif; line-height: 1.2; font-size: 1.21em;">→→</span> Vena Cava <span style="font-family: KaTeX_Main, &quot;Times New Roman&quot;, serif; line-height: 1.2; font-size: 1.21em;">→→</span> Heart</p></li></ul><p></p>
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Pathway of blood - pulmonary circuit

  • Deoxygenated blood is pumped from the right ventricle through the pulmonary artery to the lungs.

  • In the lungs, gas exchange occurs: carbon dioxide is expelled, and oxygen is absorbed into the blood.

  • Oxygenated blood returns from the lungs to the left atrium via the pulmonary veins.

  • Pathway: Heart → Pulmonary Artery → Lungs (gas exchange) → Pulmonary Veins → Heart

<ul><li><p>Deoxygenated blood is pumped from the right ventricle through the pulmonary artery to the lungs. </p></li><li><p>In the lungs, gas exchange occurs: carbon dioxide is expelled, and oxygen is absorbed into the blood. </p></li><li><p>Oxygenated blood returns from the lungs to the left atrium via the pulmonary veins. </p></li><li><p>Pathway: Heart → Pulmonary Artery → Lungs (gas exchange) → Pulmonary Veins → Heart </p></li></ul><p></p>
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Function Circulatory system + cellular respiration

  • The respiratory system enables the transport of vital nutrients like glucose and oxygen to body cells for respiration and expels waste products like CO2.

  • The heart recieves deoxygenated blood and then pumps blood to the lungs for oxygenation, where CO2 is released. Oxygen is delivered in the form of oxygenated blood to the cells via arteries and capillaries (tiny blood vessels = efficiency)