Anatomy
More anatomy
Concepts
Regulation
Mystery
100
Another name for the voice box?
Larynx
100
Air filled spaces in the skull bones
Sinuses
100
Diffusion moves substances from ___________ concentration to _____________ concentration
High to Low
100
Where are the respiratory centers located?
Medulla
100
Portion of the respiratory tract that is shared with the digestive system.
Pharynx
200
Biggest piece of cartilage in the larynx?
Thyroid cartilage (Adam's apple)
200
The vessel that takes blood from the heart to the lungs
Pulmonary artery
200
When air enters the lungs, why does oxygen move OUT of the alveoli and INTO the blood?
Higher concentration of oxygen in the alveoli
200
Concscious control over respiration is provided by _____.
Cerebral cortex
200
Put the following in order from outside to inside... larynx, trachea, pharynx
pharynx ---> layrnx --> trachea
300
Space between the vocal cords
Glottis
300
Vessels that takes blood from the lungs to the heart?
Pulmonary veins
300
How can a cold turn into a sinus infection?
Bacteria spreads from the nasal cavity to the sinuses...mucous membrane is continuous.
300
Where are stretch receptors located?
In the airways
300
Gases move from _________ partial pressure to _________ partial pressure
High to Low
400
Prevents food from entering the trachea
Epiglottis
400
Membrane in the alveoli across which gas exchage takes place
respiratory membrane
400
How does pneumothorax affect the lungs?
causes lungs to collapse
400
Chemoreceptors that monitor oxygen & carbon dioxide levels in the blood --- where are they located?
Aortic arch and carotid arteries
400
Substance produced in the lungs that reduces surface tension (and so prevents alveolar collapse)
Surfactant
500
What increases the surface area of the nasal cavity?
Conchae
500
Part of the throat that connects with the middle ear
nasopharynx
500
Why does pleurisy cause pain?
Friction
500
What to pulmonary stretch reflexes prevent?
overinflation of the lungs
500
T/F Alveoli are involved in air distribution
FALSE
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