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Thoracic viscera. Plural Cavities. Figure 1.9. Development of serousal cavities. Development of Pleural cavities. Hemo-thorax. Pneumo -thorax . Lung: collapse. Mediastinum. Figure 1.9. Heart Covering. Pericardial physiology Protects and anchors heart Prevents overfilling. - PowerPoint PPT Presentation
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Thoracic viscera
Plural Cavities
Figure 1.9
Development of serousal cavities
Development of Pleural cavities
Hemo-thorax
Pneumo-thorax
Lung: collapse
Mediastinum
Figure 1.9
Heart Covering• Pericardial physiology
– Protects and anchors heart– Prevents overfilling
Figure 17.2
External Heart: Anterior View
Figure 17.4b
External Heart: Posterior View
Figure 17.4d
External Heart: Anterior View
Figure 17.4b
External Heart: Anterior View
Figure 17.4b
Heart Valves
Figure 17.9
Heart Valves
Figure 17.10
External Heart: Posterior View
Figure 17.4d
Figure 17.4b
Pathway of Blood through the Heart and Lungs
Figure 17.5
Relative thickness of muscular walls
“EKG”(or ECG, electrocardiogram)
• Electrical depolarization is recorded on the body surface
P wave=atrial depolarizationQRS=ventricular depolarizationT wave=ventricular repolarization
Cardiac muscle(microscopic)
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