5.2 Testing and Diagnosis (Autosaved).docx

5.2 Testing and Diagnosis (Autosaved).docx - Cornell...

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Cornell Notes Topic/Objective: Name: Unit 5.2 Heart and disorders of the cardiovascular Class/Period: System Date: Essential Question:how does the heart work? Questions: The Heart Location The heart is located between the lungs in the chest (thoracic cavity) 2/3 of the total mass of the heart is located left of the body’s midline Parts of the heart Apex- is the bottom tip of the heart Base is formed by the atria The top two (2) chambers of the heart are known as the atria and they _______________ are the bottom two (2) chambers of the heart. Pericardium surrounds and protects the heart. Pericardial fluid prevents friction when the heart beats Heart Walls 1. Epicardium –External layer 2. Myocardium – Middle layer 3. 4. Endocardium – Endocardium Chambers of the Heart Upper two (2) chambers; blood enters heart here – Atria Bottom two (2) chambers; blood leaves the heart here – Ventricles - divides the heart into a left and right side What is the approximate Size of the heart?
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  • Fall '12
  • Calculus, atria, Atria and Ventricle

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