BIOS 255 Midterm Review
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BIOS 255 Midterm Review
- Pulmonary Circulation
Answer: flow of blood from the heart to the lungs and back to the heart
- Systemic Circulation
Answer: flow of oxygenated blood to the whole body
- Location of the Heart
Answer: In the mediastinum, between the lungs, with its apex pointing to the LEFT of midline
- Pericardium
Answer: Double-layered membrane surrounding the heart which anchors and protects it.
- Fibrous Pericardium
Answer: Most superficial layer of the pericardium, composed of connective tissue
- Serous Pericardium
Answer: Membrane consisting of a visceral and parietal layer
- Parietal Pericardium
Answer: Lines inner surface of fibrous pericardium
- Visceral Pericardium
Answer: Lines external surface of the heart. AKA the Epicardium
- Epicardium
Answer: Outermost layer of the heart, AKA visceral pericardium
- Myocardium
Answer: Muscle layer of the heart
- Endocardium
Answer: lines innermost surfaces of the four chambers
- Atria
Answer: Two superior chambers of the heart
- Ventricles
Answer: Two inferior chambers of the heart
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