Which gas enters the alveoli of the lungs from the capillaries?
Respiratory System Practice Test

Quiz
•
Science
•
11th Grade
•
Hard
Mia Carungay
Used 1+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbondioxide
Nitrogen
Hydrogen
Oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During inhalation, what happens to the movement of the diaphragm?
Contracts and moved down
Contracts and move up
Relaxes and move up
Relaxes and moved down
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the epiglottis in the breathing mechanism?
Regulate blood flow
Prevent food from entering the trachea
Enhancing gas exchange
Assist in vocalization
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the respiratory system?
Digestion
Circulation
Respiration
Excretion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which respiratory structure contains the vocal cords?
Larynx
Pharynx
Trachea
Epiglottis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does gas exchange between the respiratory system and the circulatory system occur?
Bronchi
Alveoli
Trachea
Larynx
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of cilia in the respiratory system?
Gas exchange
Mucus production
Moving particles out of the respiratory tract
Oxygen storage
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