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Worksheets2.1 Breathing mechanism
Total questions: 14
Worksheet time: 7mins
Which of the following shows what happens to the chest cavity when air rushes into the lungs?
decrease in volume
deflates
expands
relaxes
Which of the following happens when you exhale?
chest cavity expands
your lumgs become smaller
your chest cavity becomes smaller
your lungs take in and give off oxygen
As you breath in and out when do your lungs expand?
when air rushes in
when air rushes out
when your diaphragm expands
when your chest cavity relaxes
How do you describe the condition of the diaphragm as one exhales?
the diaphragm contracts
the diaphragm relaxes
the diaphragm goes down
both a and c
What material in a lung model represents the diaphragm
Y plastic tubes
the plastic jar
the plastic sheet
2 small plastic bags
Which two muscles are responsible for BREATHING?
The Diaphragm
The Lungs
The Heart
The Intercostal Muscles
The main ORGAN responsible for breathing is:
the Brain
the Lungs
the Liver
the Kidneys
The trachea branches off into two:
Alveoli
Bronchus
Bronchioles
