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WorksheetsRespiratory System Quiz
Total questions: 18
Worksheet time: 18mins
Which part of the respiratory system is known as the "voice box"?
Trachea
Larynx
Pharynx
Bronchi
What is the role of the epiglottis during eating?
Opens to allow air passage
Closes to prevent food entry into the airway
Vibrates to produce sound
Filters dust and microbes
What are the small branches within the lungs called?
Alveoli
Bronchioles
Trachea
Diaphragm
What shape is the diaphragm described as?
Flat
Dome-shaped
Circular
Square
What is the function of the diaphragm during inspiration?
Contracts
Relaxes
Vibrates
Filters air
Which structure in the lungs is responsible for gas exchange?
Bronchi
Alveoli
epiglottis
Stomach
What is the function of the diaphragm during expiration?
Contracts
Relaxes
Vibrates
Filters air
What is the specific site of external respiration in the lungs?
Trachea
Alveoli
Bronchi
Larynx
What is the primary function of the respiratory system?
To deliver oxygen to the body and remove carbon dioxide
To circulate blood throughout the body
To digest food and absorb nutrients
To protect the body from infections
Which system transports gases using blood?
Digestive system
Nervous system
Cardiovascular system
Muscular system
Where does internal respiration occur?
In the lungs
In the tissue cells
In the heart
In the stomach
What happens during expiration?
Air moves into the lungs
Air moves out of the lungs into the atmosphere
Blood circulates through the heart
Oxygen is absorbed into the blood
What is the role of oxygen in cellular respiration?
To create glucose
To remove waste products
To create ATP fuel for cells
To transport nutrients
Which process involves air moving out of the lungs?
Inspiration
Expiration
Inhalation
Circulation
What is the chemical equation for cellular respiration?
O₂ + glucose → CO₂ + H₂O + ATP
CO₂ + H₂O → O₂ + glucose
ATP + CO₂ → O₂ + glucose
H₂O + glucose → O₂ + ATP
What is the scientific name for the human windpipe?
Trachea
Medulla Oblongata
Adam's Apple
Aorta
Diffusion is the movement of particles from:
High to low concentration
Low to high concentration
