5 Questions
What is the primary function of the conduction portions of the human respiratory system?
To provide a passageway for air and warm, moisten, and clean it
What structures are responsible for trapping particulate matter in the nasalcavity?
Hair and sebaceous glands
Which of the following is NOT a part of the respiratory portion of the human respiratory system?
Terminal bronchioles
What is the primary function of the respiratory portion of the human respiratory system?
To get rid of carbon dioxide and pick up oxygen
Which of the following muscles is involved in the human respiratory system?
Skeletal muscles
Study Notes
Human Respiratory System
- The human respiratory system consists of:
- Nose/nasal cavity
- Pharynx (nasopharynx, oropharynx)
- Larynx
- Trachea
- Bronchi
- Lungs (bronchial tree and alveoli)
- Skeletal muscles (diaphragm, intercostal muscle)
Conducting Portions
- Function to provide a passageway for air, warming, moistening, and cleaning it
- Consist of:
- Nasopharynx
- Larynx
- Trachea
- Bronchi
- Bronchioles
- Terminal bronchioles
- Clean, moisten, and warm the incoming air by:
- Hair and secretion of sebaceous glands in nasal cavity trapping particulate matter
- Secretions of mucous and serous glands in trachea and lower portion moistening the air and trapping extraneous matter
Respiratory Portions
- Serve to get rid of carbon dioxide and pick up oxygen
- Consist of:
- Respiratory bronchioles
- Alveolar ducts
- Alveolar sac
- Alveoli, the tiny air sacs, are the site of gas exchange
This quiz covers the different parts of the human respiratory system, including the conduction and respiratory portions. Test your knowledge of the nose, pharynx, larynx, trachea, bronchi, lungs, and skeletal muscles involved in breathing.
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