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Questions and Answers
Where are the lungs situated in the body?
Where are the lungs situated in the body?
- Abdominal cavity
- Cranial cavity
- Pelvic cavity
- Mediastinum (correct)
What is the process by which oxygen from the lungs is carried by the blood to the tissues?
What is the process by which oxygen from the lungs is carried by the blood to the tissues?
- Diffusion
- Intra-pulmonary gas mixing
- Perfusion (correct)
- Ventilation
What is the function of the pleura covering the lungs?
What is the function of the pleura covering the lungs?
- To provide support to the lungs
- To prevent friction during respiration (correct)
- To aid in intra-pulmonary gas mixing
- To aid in gas diffusion
What is the shape of the lungs?
What is the shape of the lungs?
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Which stage of the respiratory process involves the distribution of oxygen-rich inspired air with the air already present in the lungs?
Which stage of the respiratory process involves the distribution of oxygen-rich inspired air with the air already present in the lungs?
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Study Notes
Lung Structure and Function
- Lungs are situated in the chest cavity, one on the left and one on the right side of the body.
Oxygen Transport
- Oxygen from the lungs is carried by the blood to the tissues through a process called oxygenation.
Pleura Function
- The pleura, a thin membrane covering the lungs, reduces friction between the lungs and chest cavity during breathing.
Lung Shape
- The lungs are cone-shaped organs.
Respiratory Process
- The stage of the respiratory process that involves the distribution of oxygen-rich inspired air with the air already present in the lungs is called ventilation.
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