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| Sternal Angle aka Manubriosternal Joint |
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| Vertebral Spinous Process |
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| Superior Lobe of Left Lung |
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| Oblique Fissure of Left Lung |
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| Inferior Lobe of Left Lung |
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| Costophrenic Angle of Left Lung |
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| Superior Lobe of Right Lung |
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| Oblique Fissure of Right Lung |
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| Inferior Lobe of Right Lung |
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| The ________ cavity contains the lungs and heart; the organs of the respiratory, cardiovascular, and lymphatic systems; the inferior portion of the esophagus; and the thymus gland. |
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| What are the 3 chambers of the thoracic cavity? |
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| 1. Pericardial 2. Right Pleural 3. Left Pleural |
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| The ___________ seperates pleural cavities and it also contains all thoracic structures, except lungs and pleurae. |
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| The respiratory system consists of what? (name 4) |
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1. Pharynx
2. Trachea
3. Bronchi
4. Two Lungs |
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| The _______ is a fibrous, muscular tube with 16 - 20 C-shaped cartilaginous rings in its walls for strength. |
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| The trachea lies ________ to the esophagus. |
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| The ______ is a hooklike process on the last cartilage of the trachea. It is where the trachea divides or bifurcates into the right and left primary bronchi. |
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| The _____ primary bronchus is shorter, wider, and more vertical than the ____. |
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| Oxygen and carbon dioxide are exchanged by diffusion in the ______. |
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| The medial border of the lungs is called the _____. |
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| Why is the right lung shorter than the left. |
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| The right lung is shorter than the left lung because of presence of the liver. |
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| Each lung is enclosed in a double-walled serous membrane sac called the ______. |
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| The inner layer of the pleura is called the ________ pleura. |
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| The outer layer of the pleura is called the ________ pleura. |
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| What are the structures associated with the mediastinum? |
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1. Heart
2. Great Vessels
3. Trachea
4. Esophagus
5. Thymus
6. Lymphatics
7. Nerves
8. Fibrous Tissue
9. Fat |
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| The primary bronchi extend into the _________ bronchi, which branches out into the _______ bronchi, which divide into smaller bronchioles, which end in minute tubes called the ________ bronchioles. |
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| Primary bronchi -> secondary bronchi -> tertiary bronchi -> bronchioles -> terminal bronchioles |
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| The terminal bronchioles communicate with alveolar ducts, which end in alveolar ____ that are lined with alveoli. |
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| The bony thorax is formed by what anatomy? |
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| The sternum, 12 pairs of ribs, and 12 thoracic vertebrae |
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| The bony thorax is _______ in shape. |
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| What are the functions of the bony thorax? |
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1. Protect the heart and lungs
2. Support the walls of pleural cavity and diaphragm
3. It varies the volume of the thoracic cavity during respiration |
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| The jugular notch lies at the T_-T_ interspace. |
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| The sternal angle lies at the T_-T_ interspace. |
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| The xiphoid process lies over T__. |
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| The _______ ends of the ribs lie lower than the _________ ends. |
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| Ribs 8-12 are _____ ribs. |
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| Ribs 11 and 12 are _______ ribs. |
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| The typical rib consists of a head, neck, ________, and body. |
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