Exploring the Respiratory System Quiz

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GeneralBiologybiologyliving-thingscellsevolution
Exploring the Respiratory System: a General level Biology quiz. Test your knowledge with 12 questions!
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Questions

Question 1
Which organ is the primary site of gas exchange?
A Liver
B Stomach
C Heart
D Lungs
Question 2
What gas do we take in during respiration?
A Oxygen
B Carbon dioxide
C Nitrogen
D Helium
Question 3
What gas do we exhale as a waste product?
A Methane
B Hydrogen
C Carbon dioxide
D Oxygen
Question 4
What are the tiny air sacs in the lungs called?
A Diaphragm
B Alveoli
C Trachea
D Bronchi
Question 5
What muscle helps you breathe?
A Heart
B Diaphragm
C Biceps
D Liver

📋 This quiz has 12 questions in total.

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