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WorksheetsBreathing Mechanics
Total questions: 23
Worksheet time: 12mins
As air is tranported into it lungs it travels through/pass the ... Choose all that are correct
The Trachea
The Bronchus
Brochioles
Alveoli
Pleural cavity
When we want to inhale the ribs have to move
Upwards and outwards
Inwards and downwards
When we want to exhale, the rib cage has to move
Upwards and outwards
Inwards and downwards
When we want to inhale the intercostal muscles
relax
contact
In order to exhale the intercostal musles need to:
contract
relax
To inhale the diaphragm
contracts
relaxes
To enable exhalation, the diaphragm
contracts
relaxes
Air rushes into the lungs when
Atmospheric air is greater than the pressure in the lungs and there is a pressure gradient
Atmospheric air is less than the pressure in the lungs and there is a pressure gradient
Air is forced out of the lungs on exhalation when:
Atmospheric air is less than the pressure in the lungs and there is a pressure gradient which creates exhalation
Atmospheric air is more than the pressure in the lungs and there is a pressure gradient which creates exhalation
pressure moves from low to high concentration
False
True
Pressure moves from high to low
true
false
What muscles are used in breathing in
diaphragm and intercostals
diaphragm and lungs
Abdominals
Microscopic sacs where gas exchange takes place; are called:
alveoli
bronchi
villi
Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?
lungs
nose
heart
mouth
What is labeled at E?
bronchi
trachea
pharynx
none of the above
When the diaphragm is relaxed it is what shape?
Domed
Flat
When the diaphragm is contracting it is what shape?
Flat
Domed
