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25 questions
A physical process which involves the exchange of gases between an organism and the environment
Ventilation
Respiration
Breathing
Transport
Gas exchange is needed to supply _____________ to cells and remove __________________
carbon dioxide; oxygen
oxygen; food
oxygen; carbon dioxide
carbon dioxide; water
The movement of oxygen and carbon dioxide by diffusion
Ventilation
Breathing
Gas exchange
Respiration
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
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 and II only
I only
II and III
I, II, and III
The trachea leads to the...
Bronchioles
Bronchi
Ribs
Alveoli
The air sacs that are covered with capillaries where gas exchange takes place.
Bronchi
Trachea
Oxygen
Alveoli
Letter D is pointing to which respiratory organ?
Alveoli
Diaphragm
Lung
Bronchi
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 is found around alveoli?
capillaries
pleura
lymphatic nodes
saliva
Which of the following is NOT a feature of alveoli
Have a large surface area
Have thin walls
Have extensive blood supply
Have a muscular wall
Oxygen diffuses from
Trachea to lung
Alveolus to blood capillary
Blood capillary to alveolus
Lung to trachea
Gaseous exchange is by process of
respiration
diffusion
The "windpipe" is also called the...
trachea
bronchi
bronchioles
alveoli
What is oxygen needed for?
energy releasing chemical reactions
to make glucose
to take in sunlight
none of the above
Tiny hairs that move particles in the nose are called
mucus
vocal cords
cilia
flagella
Hair in your nose and mucus help to trap dust, bacteria, and other materials from going into your lungs when you breathe in.
True
False
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