1.3 like a pair of bellows Flashcards
pages 18 - 21
what is breathing?
refreshing the air in your lungs
what are the 2 kinds of breathing?
chest breathing (thoracic breathing)
diaphragmatic breathing (abdominal breathing)
does breathing involve 1 kind of breathing or the 2 of them?
the two of them
what are the differences between abdominal breathing and chest breathing?
Chest breathing uses the intercostal muscles is less efficient. Abdominal breathing relies on the diaphragm for deeper breaths, being more efficient and is more relaxing.
how does inhalation work?
1st Diaphragm Contract pulling downwards
2nd Intercostal Muscles Contract expanding the ribcage
3rd Pressure Decreases in the lungs
4th air enters the lungs
how does exhalation work?
1st Diaphragm Relaxes and moves upwards
2nd Intercostal Muscles Relax, ribcage moves inwards and downwards
3rd Pressure Increases
4th air moves out of the lungs
tidal volume
the volume of air you inhale or exhale with each regular breath
how much is your tidal volume?
about 500ml
what is vital capacity
the maximum volume of air you can breath out after breathing in as much as you can
can it be that there is no air in your lungs?
no, you cannot blow this air out
what is the air that always stays in your lungs called?
residual volume
what is lung volume?
the vital capacity and residual volume
what is chest \thoracic breathing?
breathing in or out using your intercostals
what is adominal breathing?
breathing in or out using your diaphragm
what are intercostals?
muscles betwwen your rib
