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Respiratory System Questions

An educational illustration depicting the human respiratory system with labeled parts such as trachea, bronchi, alveoli, and diaphragm, in a colorful and engaging style.

Respiratory System Knowledge Quiz

Test your understanding of the respiratory system with this comprehensive quiz! Designed for students and enthusiasts alike, this quiz will challenge your knowledge on breathing, gas exchange, and the anatomy of the lungs.

10 multiple-choice questions.
Instant feedback on your answers.
Learn fun facts about the respiratory system!

10 Questions2 MinutesCreated by BreathingTree432

What structures does the trachea lead to in the lungs?

Bronchioles

Bronchi

Alveoli

Alveolus

What happens when we inhale?

Internal intercostal muscles contract and the external intercostal muscles and diaphragm relax

Internal intercostal muscles relax and external intercostal muscles and diaphragm contracts

Internal intercostal muscles,diaphragm and external intercostal muscles relax

What happens when we exhale.

Internal intercostal muscles contract and the external intercostal muscles and diaphragm relax

Internal intercostal muscles relax and external intercostal muscles and diaphragm contracts

Internal intercostal muscles,diaphragm and external intercostal muscles relax

What is feature of the alveoli makes gas exchange efficient?

Small surface area

Thin walls

Thick walls

Less blood capillaries

During exercise what happens to breathing in humans?

The depth of breathing increases along with breathing rate

Breathing rate decreases but depth of breathing increases

Breathing rate increases but depth of breathing decreases

What does smoking do to the walls of the alveoli?

Damages the wall of the alveoli forming smaller air spaces increasing has exchange

Damages the wall of the alveolus forming larger air spaces reducing gas exchange

Damages wall of alveoli breaking it down and forming larger air spaces that normal

What problem does carbon monoxide cause?

It irritates the bronchi causing bronchitis

Reduced gas exchange increasing the likelihood of emphysema

Combines with haemoglobin in the red blood cells reducing the ability of the blood to carry oxygen

What is the main function of the respiratory system?

Movement of blood around the body

Breathing

Gas exchange

What is the role of the cartilage ring

Keep the lungs open

Keep the walls of the trachea open

Protect the lungs

What are lungs made from?

Clusters of alveoli

Bronchi

Muscles

Cartilage

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