Lesson 3 Flashcards
air drawn into the lungs as thoracic cavity expands
inhalation (inspiration)
air is pushed out of the lungs as thoracic cavity collapses
exhalation (expiration)
speech is produced during the ______ phase
expiration
swollen bronchioles
bronchitis
where something splits into 2
biforcation
red
arteries
blue
veins
The right lung has _____ segements
3
the left lung has _____ segments
2
area between the lungs
mediastinum
which lung is most affected by aspiration?
right lung
What does the pleura do?
keeps the lungs attached to the ribs
attaches to the lungs
visceral pleura
attaches to the rib cage
parietal pleura
ribs are made up of ___ and _____
bone and cartilage
how many ribs are there?
12 all together
- 7 true ribs
- 3 false ribs
- 2 floating ribs
handle type structure
menibrium
muscle between the ribs
intercostal muscle
muscle that is between the cartilage part of the ribs
intercostal interchondral
muscle that s between the bone part of the ribs
intercostal interosseous
what are the external intercostal muscles used for?
inhalation
where do the external intercostal muscles anchor and what do they do to the ribs?
they anchor on the under side of the rib above and they make the ribs pull up and out
what are the interchondral internal intercostal muscles used for?
inhalation
What are the interosseous internal intercostal muscles used for?
exhalation (mainly forceful)
what do the interosseous internal intercostal muscles cause the ribs to do?
pull down on rib above
external intercostals
- interosseous
- inhalation
internal intercostals
- interosseous
- exhalation
- interchondral
- inhalation
dome shaped structure near the lungs
diaphragm
where does the diaphragm attach?
6 lower ribs
what happens to the diaphragm when it relaxes?
pulls up
what do the abdominal muscles do?
help with exhalation
