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Respiratory System: How We Breathe Quiz

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Respiratory System: How We Breathe: a General level Biology quiz. Test your knowledge with 12 questions!

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Questions

Question 1

What is the tube that carries air to the lungs called?

A Vein

B Esophagus

C Artery

D Trachea

Question 2

What do we call the process of inhaling and exhaling?

A Digestion

B Excretion

C Respiration

D Circulation

Question 3

What muscle helps us breathe by moving down and up?

A Diaphragm

B Biceps

C Triceps

D Heart

Question 4

Which gas is absorbed by the blood in the lungs?

A Carbon dioxide

B Oxygen

C Nitrogen

D Helium

Question 5

What do we exhale?

A Nitrogen

B Oxygen

C Carbon dioxide

D Water vapor

📋 This quiz has 12 questions in total.