Ch 12 Flashcards
Internal respiration
Exchange of gases in cells.
Mediastinum
Middle of chest
Bronchi
Each leads to separate lung.
Lungs
Lobes not mirror images.
Hilum
Blood vessels, nerves, lymphatic tissue, and bronchial tubes enter and exit.
Conduct air
- nose
- nasal cavities &; paranasal sinuses
- pharynx
- larynx
- trachea
Exchange gases
- bronchioles
- alveoli
- lung capillaries
Adenoids
Lymphatic tissue in the nasopharynx
Alveolus/alveoli
Air sac in the lung
Apex of the lung
Tip or uppermost portion of the lung
Bronchioles
Smallest branches of the bronchi
Bronchus/bronchi
The branch of the trachea that is a passageway into the lungs
Cilia
Thin hairs attached to mucous membrane epithelium lining the respiratory tract.
Diaphragm
Muscle separating the chest and abdomen.
Epiglottis
Lid like piece of cartilage that covers the larynx
Glottis
Slit-like opening to the larynx
Inspiration
Breathing in
Larynx
Voice box contains vocal cords
Lobe
Division of a lung
Nares
Openings through nose carrying air into the nasal cavities
Paranasal sinus
One of the air cavities in the bones near the nose.
Parietal pleura
Outer fold of pleura lying close to the ribs and chest wall.
Pharynx
The throat includes the nasopharynx, oropharynx, and laryngopharynx
Pleura
Double folded membrane surrounding each lung
Pleura cavity
Space between the folds of the pleura.