Respiratory System Quizzes & Trivia

All of us know something about the respiratory system because we all use it to breathe each day, but you can test how deep your knowledge is with one of our interesting respiratory system quizzes. Do you know which gas is brought into your body when you inhale, and which gas is expelled from your body when you exhale?

The respiratory system is different depending on which animal is involved; do you know how fish breathe, and how it’s different from our breathing mechanisms? Do you know the parts of a respiratory system in mammals, including humans? You may have studied the respiratory system, or you may just think you know a lot about it. Why not take a deep breath and test your awareness with one of our respiratory system quizzes. 

The human respiratory is sorely charged with taking in oxygen and dispersing carbon dioxide. This is made possible through the collaboration of some organs. Do you know all there is to this specific system? Take this...

Questions: 11  |  Attempts: 24626   |  Last updated: Oct 30, 2019
  • Sample Question
    Which of these is the job of the respiratory system?  

Below is a Science Trivia Questions Quiz on Human Respiratory System! This system is the body is charged with breathing, and it is made up of a lot of organs, with the main one being the lungs. As breathing takes place, oxygen is...

Questions: 9  |  Attempts: 5114   |  Last updated: Nov 4, 2019
  • Sample Question
     What is the composition of oxygen in our exhaled air?

Mark the letter of the letter of choice then click on the next button. Score will be posted as soon as the you are done with the quiz. You got 24 minutes to finish the exam. Good luck!

Questions: 20  |  Attempts: 3600   |  Last updated: Jan 16, 2019
  • Sample Question
    Which of the following conditions correlate with the following information:  High pH  High HCO3 High BE  Neutral pCO2 

Mark the letter of the letter of choice then click on the next button. Answer will be revealed after each question. No time limit  to finish the exam. Good luck!

Questions: 20  |  Attempts: 3063   |  Last updated: May 7, 2019
  • Sample Question
    Which of the following conditions correlate with the following information:  High pH  High HCO3 High BE  Neutral pCO2 

Welcome to a whole test on the Respiratory system, related to the 'Young adult' case unit. It also contains some questions from the "Fetal" case unit (hemoglobin dissociation curve, surfactant questions). This...

Questions: 56  |  Attempts: 2948   |  Last updated: Feb 13, 2020
  • Sample Question
    Which of the following is not part of the upper respiratry system?




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Respiratory System Questions & Answers


Which cell secretes surfactant?
Pulmonary surfactant is a surface-active lipoprotein complex formed by type II alveolar cells. The proteins and lipids that make up the surfactant have both hydrophilic and hydrophobic regions. Hydrophilic means they mix. Hydrophobic means they don't
Which tube carries air down to the windpipe?
In fact , larynx lies between pharynx and teachea , so the answer can also be larynxLarynx
What is the voicebox called?
The voice box is also known as the larynx. This is a tube that is about five centimeters long in adults. The size may be different for kids. This is located above the trachea and one of its main functions is to make sure that food will not get into t
What is the voicebox known as?
The correct answer to this question is the larynx. It is an organ at the top of the neck. It is called the voicebox because it is what produces sound. The larynx is home to the vocal folds and it controls the volume and pitch of the sound. The laryn
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