Chap 12 Respiratory System Flashcards
- Alveolus
Pl.: alveoli
Air sac in the lung
- Apex of the lung
Tip or uppermost portion of the lung
Base of the lung
The lower portion of the lung
Bronchioles
The smallest branches of the bronchi
Bronchus
Pl.: Bronchi
The branch of the trachea ( windpipe) that is a passageway into the lung; bronchial tube
- Carbon dioxide (Co2)
Gas produced by body cells when oxygen and carbon atoms from food combine; exhaled through the lungs
- Cilia
Thin hairs attached to mucous membrane epithelium lining the respiratory tract.
- Diaphragm
Muscle separating the chest and abdomen; contract to pull air into lungs; relaxes to push air out
Epiglottis
Lid-like piece of cartilage that covers the larynx; keeps food from entering the larynx and trachea during swallowing .
Expiration
Breathing out (exhalation)
Glottis
Slit-like opening to the larynx
- Hilum (of lung)
Midline region where the bronchi, blood vessels, and nerves enter and exit the lungs
- Inspiration
Breathing in ( inhalation)
- Larynx
Voice box; contains the vocal cords
- Lobe
Division of a lung
- Mediastinum
The region between lungs in the chest cavity; contains the trachea, heart, lymph nodes, aorta, esophagus, and bronchial tubes
- Nares
Openings through the nose carrying air into the nasal cavity
Oxygen ( O2)
Gas that makes up 21% of air; passes into the bloodstream at the lungs and travels to all body cells
Palatine tonsil
One of a pair of almond-shaped masses of lymphatic tissue in the oropharynx
Paranasal sinus
One of the air cavities in the bones near the nose
Parietal pleura
Outer fold of pheura lying closer to the ribs and chest wall
Pharynx
The throat; including the nasopharynx, oropharynx, and laryngopharynx
Pleura
Double-folded membrane surrounding each lung
Pleural cavity
Space between the folds of the pleura
Pulmonary parenchyma
Essential parts of the lung, responsible for respiration; bronchioles and alveoli
Respiration
The process of moving air into and out of the lungs; breathing.
Trachea
Windpipe
Visceral pleura
Inner fold of pleura lying closer to the lung tissue
Adenoid/o
Adenoids
alveol/o
Alveolus, air sac
Bronch/o
Bronchial tube
Bronchi/o
bronchus
bronchiol/o
Bronchiole , small bronchus
capn/o
Carbon dioxide
Coni/o
Dust
cyan/o
Blue
epiglott/o
Epiglottis
Laryng/o
Larynx, voice box
lob/o
Lobe of the lung
- Adenoids
Lymphatic tissue in the nasopharynx; pharyngeal tonsils
Mediastin/o
Mediastinum
Trung that, vach
nas/o
Nose
orth/o
Straight, upright
o/xo
Oxygen
pector/o
Chest
pharyng/o
Pharynx, throat
phon/o
Voice