Respiratory system Flashcards
What does the upper respiratory system include?
nose nasal cavity mouth pharynx (throat) larynx (voice box)
What does the lower respiratory system include?
trachea (windpipe)
lungs
bronchial tree
Other than upper and lower respiratory system, the respiratory system can be further broken down into what 3 categories?
airway
lungs
respiratory muscles
What does the airway include?
nose nasal cavity mouth pharynx (throat) larynx (voice box) trachea (windpipe)
What is the airway lined with?
Cilia
How many lobes does the R lung have?
3
How many lobes does the L lung have?
2
What is the pleural membrane?
surrounds the lungs; reduces friction between surfaces when breathing
Respiratory muscles include what 2 things?
diaphragm
intercostal muscles
What is the main function of the respiratory system?
supply the body with O2
rid the body of CO2
What bodily system is responsible for speech?
Respiratory system
How is speech produced?
air passes through he throat ,it moves through the larysn (voice box), which vibrates to produce sound, before it enters the trachea (windpipe)
Which bodily system is responsible for sense of smell?
Respiratory system
Where are chemoreceptors located?
nasal cavity
What happens with the diaphragm during inspiration/inhalation?
contracts, moves down
chest cavity size increases
