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- 1. Multiple Choice
Which of the following shows what happens to the chest cavity when air rushes into the lungs?
decrease in volume
deflates
expands
relaxes
- 2. Multiple Choice
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
- 3. Multiple Choice
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
- 4. Multiple Choice
The pathway of air into the lungs is:
- 5. Multiple Choice
Which of the pairs of words below are the waste products of respiration?
oxygen and water
oxygen and carbon dioxide
carbon dioxide and water
oxygen, carbon dioxide and water
- 6. Multiple Choice
Why does your body need oxygen?
to produce energy
to expel carbon dioxide
to supply the food with oxygen
to fill the lungs with oxygen
- 7. Multiple Choice
What term refers to the alternative inhaling and exhaling movements of the lungs.
digestion
oxidation
respiration
relaxation
- 8. Multiple Choice
Why is the diaphragm important to the process of breathing?
It helps air to be taken in and rushed out of the lungs
It helps control air movement
It helps to spread air throughout the lungs
It helps to purify the air
- 9. Multiple Choice
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
- 10. Multiple Choice
What material in a lung model represents the diaphragm
Y plastic tubes
the plastic jar
the plastic sheet
2 small plastic bags
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