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Worksheets气体交换
Total questions: 20
Worksheet time: 10mins
Gases will diffuse from areas of _______ pressure
low to high
high to low
Between the alveoli and blood capillary membrane is
gaseous exchange
breathing
cellular respiration
If the diffusion gradient steepens (浓度差越大), the rate of diffusion will
Stay the same
Increase
Decrease
The air sacs that are covered with capillaries where gas exchange takes place
bronchi
lungs
oxygen
alveoli
What are the main organs of gas exchange in the respiratory system?
diaphragm
lungs
trachea
bronchi
Which of the following are features of the ALVEOLI that adapt them to gas exchange?
I. Large surface area
II. Thin walls
III. Dry surfaces
I & II ONLY
I ONLY
II AND III
I, II AND III
Which is the correct order of structures that air passes through?
Trachea --> bronchi --> bronchioles --> alveoli
Bronchi ---> trachea--> bronchioles --> alveoli
Bronchioles --> bronchi --> trachea --> alveoli
Trachea --> bronchioles --? bronchi --> alveoli
Oxygen is absorbed into the _______________ & carried around the body
WHITE BLOOD CELLS
PLATELETS 血小板
RED BLOOD CELLS
The role of the mucus and and cilia in the respiratory system is to....
warm the air.
clean the air.
humidify the air.
All of the choices are true.
Oxygen from the air enters the blood stream at what location?
ALVEOLUS
TRACHEA
BRONCHUS
BRONCHIOLE
The two main branches from the trachea is (one to each lung) the ___________?
TRACHEA
ALVEOLUS
BRONCHIOLES
BRONCHI
Which letter show the diffusion of carbon dioxide during gaseous exchange?
X
Y
Which gas within inspired air has a concentration of 78%?
Carbon dioxide
Oxygen
Nitrogen
Water vapour
What chemical is used to detect the presence of carbon dioxide?
Acid
Alkali
Lime water
Water
In which flask would the lime water be more cloudy?
A
B
Which of following is the correct cellular respiration process?
Glucose + Oxygen --> Carbon dioxide + energy
Glucose + Oxygen --> Carbon dioxide + water
Glucose + Oxygen --> Carbon dioxide + water + energy
Oxygen --> Carbon dioxide + water + energy
Name the process where oxygen and carbon dioxide pass through the alveolus wall and capillary wall
Deoxygenation
Oxygenation
Diffusion
Osmosis
What is the main function of the respiratory system?
To provide oxygen and remove carbon dioxide from the body
to bring oxygen to the body
to break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
