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- 1. Multiple ChoiceThe organ system that provides the body with oxygen and rid the body of carbon dioxide.Circulatory SystemTracheaArteriesRespiratory System
- 2. Multiple ChoiceThe two main jobs of the Respiratory System areChewing and swallowing foodInhaling oxygen and exhaling carbon dioxideSending blood through veins and arteriesProtecting and comforting your Shiv Patella
- 3. Multiple Choice
What are the tiny air sacs at the end of the Bronchioles, that transfer oxygen into the blood stream?TracheaBronchiAlveoliLarynx - 4. Multiple ChoiceTube that carries oxygen from the mouth to the Bronchi. (#5)BronchiolesAlveoliEsophagusTrachea
- 5. Multiple ChoiceThe Trachea splits into 2 branches and each of these goes into 1 of the lungs.BronchiolesAlveoliBronchiEsophagus
- 6. Multiple ChoiceThe Bronchi branch out into many different smaller tubes which take oxygen to the alveoli. What are these tiny tubes called?TracheaLarynxPharynxBronchioles
- 7. Multiple ChoiceWhere are your vocal cords located?NoseLungsLarynxAlveoli
- 8. Multiple Choice
Which structures filter and moisten air as it passes through the human respiratory system?
cilia and mucous membranes
alveoli and cartilage rings
diaphragm and bronchioles
epiglottis and bronchi
- 9. Multiple Choice
Which respiratory structure is supported by rings of cartilage?
trachea
alveolus
bronchiole
pharynx
- 10. Multiple Choice
Which sequence correctly indicates the branching pattern of the human respiratory system?
trachea -> bronchi -> bronchioles -> alveoli
trachea -> bronchioles -> bronchi -> alveoli
alveoli -> trachea -> bronchioles -> bronchi
alveoli -> bronchioles -> trachea -> bronchi
- 11. Multiple Choice
Which structure in humans is lined with ciliated mucous membrane, is supported by cartilaginous rings, and functions as a passageway for air?
esophagus
alveolus
pharynx
trachea
- 12. Multiple Choice
Which statement best describes the function of the respiratory passageways of a human?
They permit digestive end-products to make contact with body cells.
They permit exchange between the external atmosphere and the circulatory system.
They transport gaseous cellular wastes from body cells to the lungs for excretion.
They regulate the amount of ammonia and salt dissolved in body fluids.
- 13. Multiple Choice
In humans, which structure prevents food from entering the trachea?
epiglottis
alveolus
mucous membrane
cartilage ring
- 14. Multiple Choice
The cellular process which uses oxygen and sugar to produce energy is called
photosynthesis
cell division
cellular respiration
DNA replication
- 15. Multiple Choice
What is the main function of gas exchange
To remove carbon dioxide and supply oxygen to the body
To remove oxygen from the body
To supply carbon dioxide and remove oxygen from the body
To supply water to the body cells
- 16. Multiple Choice
Which diagram best illustrates the function of an alveolus?
- 17. Multiple Choice
Which structure shown in the diagram below contracts, causing a pressure change in the chest cavity during breathing?
A
B
C
D
- 18. Multiple Choice
An increase in breathing rate can be triggered by an increase in the
carbon dioxide content of the blood
oxygen content of the atmosphere
number of platelets in the blood
number of red blood cells
- 19. Multiple Choice
Which part of the human respiratory system is correctly paired with a description of its structure?
alveolus – microscopic sac containing rings of cartilage and ciliated membranes
pharynx – cavity lined with flagellated mucous membranes
bronchiole – small branching tubule lacking cartilaginous rings
trachea – thin, moist membrane surrounded by capillaries
- 20. Multiple Choice
In the human respiratory system, bronchioles directly connect the
trachea and pharynx
bronchi and alveoli
nasal cavity and trachea
epiglottis and larynx
- 21. Multiple Choice
In humans, the thin, moist membranes of the alveoli are surrounded by
bronchi
the epiglottis
capillaries
lymph vessels
- 22. Multiple Choice
The diagram below represents a demonstration of the breathing process in humans. The balloons represent lungs.
The change in the balloons is brought about by
a change in air composition outside the bell jar
a change in air pressure inside the bell jar
an expansion of the balloons, which pulls the rubber sheet into the bell jar
a contraction of the balloons, which forces air into the bell jar
- 23. Multiple Choice
Which human organ is correctly paired with its functional subunits?
lung—alveoli
kidney—neurons
brain—nephrons
liver—ureters
- 24. Multiple ChoiceWhat does a spasm of the diaphragm cause?coughsneezehiccupyawn
- 25. Multiple Choice
The two membranes covering lungs.
pleural fluid
visceral pleura
parietal pleura
ciliated pleura
- 26. Multiple Choice
The muscles which help in contraction and relaxation of ribs during breathing
Hyaline
diaphragm
intercoastal muscles
sternum
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