WorksheetsHuman Respiratory System Concepts
Total questions: 8
Worksheet time: 4mins
Which human organ is the only one that can float on water?
Heart
Brain
Lungs
Stomach
What is the main job of the respiratory system?
To help you eat food
To bring oxygen into your body
To make your heart beat
To help you sleep
Besides taking in oxygen and getting rid of bad air, what else do your lungs help you do?
See
Hear
Talk
Run
Why does your brain make you yawn when you are tired or sleepy?
To make you fall asleep faster
To get rid of extra energy
To take in more oxygen
To stretch your mouth muscles
What is the job of the epiglottis in your body?
To help you chew food.
To stop food from going into your lungs.
To make your lungs work better.
To help you breathe faster.
What are the tiny air sacs in your lungs called where oxygen and carbon dioxide are exchanged?
Bronchi
Bronchioles
Alveoli
Trachea
What is the name of the process where oxygen from the air and carbon dioxide from your cells are exchanged?
Diffusion
Respiration
Digestion
Circulation
Where are your lungs and heart mostly located in your body?
In your head
In your stomach
In your chest cavity
In your arms and legs
