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21 Cards in this Set
- Front
- Back
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The Heart
how many chambers and how divided? |
4 chambers
Right and left atria Right and left ventricles |
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The Heart
what is the SEPTA? |
Septa- wall between the right and left sides of the hear
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Arteries vs. Veins
purpose of ARTERIES? |
Arteries- carry blood away from the heart
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Arteries vs. Veins
purpose of ARTERIOLES? |
Arterioles- smaller arteries that transition into capillaries
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Arteries vs. Veins
purpose of CAPILLARIES? |
Capillaries- small vessels that serve as the sight of gas exchanges (O2 and CO2)
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Arteries vs. Veins
purpose of VENULES? |
Venules- smaller veins that transition from the capillaries to the veins
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Arteries vs. Veins
purpose of VEINS? |
Veins- carry blood toward the heart
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More Vessel information
ARTERIES how many layers? |
Arteries
3 layers (outer, muscular, and epithelial layers) Strongest and thickest of the vessels |
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More Vessel information
CAPILLARIES general structure and function? |
Capillaries
Fragile Only one epithelial cell thick Sight of gas exchange |
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Even more vessel information
VEINS general structure? |
Not as strong (or thick) as arteries
3 layers (outer, muscular, and epithelial layers) Contain 1-way valves Aid in venous return against gravity (“foothold” for blood moving up towards the heart) |
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Major Vessels of the Heart and Lungs
Superior and Inferior Vena Cava primary function? |
Bring blood into the RA
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Major Vessels of the Heart and Lungs
Pulmonary artery primary function? |
Brings blood to the lungs from the RV
Only artery that carries deoxygenated blood |
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Major Vessels of the Heart and Lungs
Pulmonary vein primary function? |
Brings blood from the lungs to the LA
Only vein that carries oxygenated blood |
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Heart Structure
Right side of heart... (major features) |
RIGHT Heart
Right atria Tricuspid valve Right ventricle Pulmonary valv |
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Heart Structure
Let side of heart... (major feature) |
LEFT Heart
Left atria Mitral valve Left Ventricle Aortic Valve |
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Fetal Heart Development
Foamen ovale: |
“hole” in the septum between the atria (helps to bypass the lungs)
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Fetal Heart Development
Ductus arteriosus |
artery in the fetus that comes off of the pulmonary artery that bypasses the lungs and goes directly to the aorta
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Fetal Heart Development
Patent ductus arteriosus- |
when the ductus arteriosus remains open after the first breath
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Respiratory System
Epiglottis |
flap of tissue that covers the trachea to prevent aspiration of food into the lungs
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The Lungs
Left Lung... how many lobes? |
2 lobes and the lingula
Left upper lobe Left lower lobe |
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The Lungs
Right Lung... how many lobes? |
3 lobes
Right upper lobe Right middle lobe Right lower lobe |
