Respiratory System Questions
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!
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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