Lab 2 (Current Draft)

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Last updated 10:21 PM on 4/9/26
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29 Terms

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pulmonary vs systemic circuit

*remember arteries always travel away from the heart!

<p>*remember arteries always travel away from the heart!</p><p></p>
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hepatic portal system

makes it so that liver can filter blood coming from the digestive tract

<p>makes it so that liver can filter blood coming from the digestive tract </p>
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<p>label!</p>

label!

knowt flashcard image
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draw direction of blood flow on heart

did you draw it right?

<p>did you draw it right?</p>
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draw direction of blood flow through pulmonary and systemic circulation

did you draw it like this?

<p>did you draw it like this?</p>
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pericardium

  • supports and protects the heat

  • encloses most of heart in mediastinum which allows freedom of movement for contraction

  • it has layers!

    • fibrous pericardium: tough outer fibrous layer

    • serous pericardium: thinner more delicate inner layer

<ul><li><p>supports and protects the heat</p></li><li><p>encloses most of heart in mediastinum which allows freedom of movement for contraction</p></li><li><p>it has layers!</p><ul><li><p><strong>fibrous pericardium</strong>: tough outer fibrous layer</p></li><li><p><strong>serous pericardium</strong>: thinner more delicate inner layer</p></li></ul></li></ul><p></p>
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serous pericardium

  • has two layers

    • parietal layer: the outer layer

    • visceral layer/epicardium: inner layer, adheres to the surface of the heart

  • pericardial space/cavity: exists between the parietal and visceral layers

    • contains pericardial fluid

<ul><li><p>has two layers</p><ul><li><p><strong>parietal layer</strong>: the outer layer</p></li><li><p><strong>visceral layer/epicardium: </strong>inner layer, adheres to the surface of the heart</p></li></ul></li><li><p><strong>pericardial space/cavity</strong>: exists between the parietal and visceral layers</p><ul><li><p>contains <strong>pericardial fluid</strong></p></li></ul></li></ul><p></p>
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Two types of heart valves

  • atrioventricular valve: valves between atria and ventricles

  • semilunar valves: valves in pulmonary trunk and aorta

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AV valves

Left

Atrium

Bicuspid (mitral)

Right

Atrium

Tricuspid

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left AV

bicuspid (mitral) valve

<p>bicuspid (mitral) valve</p>
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right AV

tricuspid valve

<p>tricuspid valve</p>
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right semilunar

pulmonary valve

<p>pulmonary valve</p>
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left semilunar

aortic valve

<p>aortic valve </p>
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coronary arteries

  • there’s two! left and right

  • starts superior to the aortic valve

  • supplies heart with oxygen rich blood

<ul><li><p>there’s two! left and right</p></li><li><p>starts superior to the aortic valve</p></li><li><p>supplies heart with oxygen rich blood</p></li></ul><p></p>
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coronary veins

  • carries oxygen depleted blood back to the right atrium

  • two important ones!

    • coronary sinus: empties into right atrium near inferior vena cava

    • great cardiac vein: follows coronary artery in longitudinal sulcus

<ul><li><p>carries oxygen depleted blood back to the right atrium</p></li><li><p>two important ones!</p><ul><li><p><strong>coronary sinus:</strong> empties into right atrium near inferior vena cava</p></li><li><p><strong>great cardiac vein</strong>: follows coronary artery in longitudinal sulcus</p></li></ul></li></ul><p></p>
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where are our sulci?? draw ‘em out and label which is which

knowt flashcard image
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three types of blood vessel… what are they???

  • arteries: away from heart

  • veins: toward heart

  • capillaries: in between arteries and veins

    • connect arterioles and venules

<ul><li><p>arteries: away from heart</p></li><li><p>veins: toward heart</p></li><li><p>capillaries: in between arteries and veins</p><ul><li><p>connect arterioles and venules</p></li></ul></li></ul><p></p>
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draw pulmonary vs systemic circulation

knowt flashcard image
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who has thinner walls? veins or arteries

veins

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<p>is this pulmonary or systemic and how would we draw it out if it were the other one?</p>

is this pulmonary or systemic and how would we draw it out if it were the other one?

systemic. in pulmonary veins carry oxygen rich blood

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left off at slide 29

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