subject

Respiratory System

Biology ⇒ Human Biology

Respiratory System starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Respiratory System. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 6
Describe how the respiratory system and circulatory system work together.
Describe how the respiratory system helps remove waste from the body.
Describe what happens to the chest cavity when you exhale.
Explain the difference between inhalation and exhalation.
Explain why breathing is important for humans.
Explain why it is important to breathe through your nose instead of your mouth.
Name the tiny air sacs in the lungs where gas exchange takes place.
What happens to the diaphragm when you inhale?
What is the main function of the alveoli in the lungs?
What is the main waste gas removed from the body by the respiratory system?
What is the name of the tube that connects the throat to the lungs?
What is the role of mucus in the respiratory system?
What would happen if the alveoli were damaged?
What would happen if the trachea became blocked?
Which gas do humans exhale in greater amounts than they inhale?
Which organ is mainly responsible for taking in oxygen and removing carbon dioxide from the body?
Which part of the respiratory system is also called the voice box?
Which part of the respiratory system prevents food from entering the windpipe?