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WorksheetsYear 8 Quiz On Respiration
Total questions: 20
Worksheet time: 12mins
When you breathe, your lungs take in ___ and remove ___.
air/oxygen
oxygen/carbon dioxide
carbon dioxide/waste
waste/air
The air sacs that are covered with capillaries where gas exchange takes place
bronchi
lungs
oxygen
alveoli
The division of the trachea forms
main bronchi
alveoli
lungs
nose
Which of the following are features of the alveoli that adapt them to gas exchange?
I. High surface area
II. Thin walls
III. Dry surfaces
I and II only
I only
II and III
I, II, and III
Given the following structures:
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation?
1,2,3
2,1,3
2,3,1
3,2,1
What happens when you breathe in? (tick all that apply)
diaphragm relaxes and moves up
diaphragm contracts and flattens
increases volume in thorax
reduces volume in thorax
Which of the following is not happening during inhalation?
the diaphragm contracts
the rib cage rises up
expands the volume of the chest cavity
diaphragm is relaxing
During gas exchange what enters from alveoli to the capillaries?
CO2
CO
O2
nitrogen
Number 11 is pointing to which organ of the Respiratory System?
Alveoli
Lungs
Bronchi Tubes
Bronchioles
Spot 8 is labeling the...
trachea
nasal cavity
bronchi
larynx
Identify part B
Trachea
Bronchus
Bronchiole
Alveoli
When the volume of the thorax increases,........
The volume of the thorax decreases
The pressure in the lungs decreases
The pressure in the lungs increases
There is no change in pressure
When the diaphragm relaxes,.....
The volume of the lungs increases and the pressure increases
The volume of the lungs decreases and the pressure increases
The volume of the lungs decreases and the pressure decreases
The volume of the lungs increases and the pressure decreases
In what ways is the bell jar different to the lungs? (check all that apply)
The glass does not move like the ribs move
The bell jar does not respire
The first tube then splits into two tubes
Lungs are not balloons
What makes a good exchange surface? (check all that apply)
A large surface area
A thick barrier
A good blood supply
A moist surface
What are the main muscles of inhalation?
The diaphragm and intercostal muscles
The scalenes and the abdominal muscles
The diaphram and abdominal muscles
The diaphragm and latissimus muscles
A contraction of the diaphragm during inhalation causes it to flatten. What else does the contraction result in?
An increase in the volume of the chest cavity
Increase in alveolar pressure
A decrease in lung volume
A decrease in the volume of the thoracic cavity
What pressure gradient is exhalation triggered by?
The pressure in the lungs is less than the pressure of the atmosphere
The pressure in the lungs is greater than the pressure of the atmosphere
