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WorksheetsWadi - Respiratory System - G4
Total questions: 20
Worksheet time: 10mins
Inhaled air contains more
Carbon dioxide
Helium
Oxygen
Water Vapour
Nitrogen makes up
21 %
78 %
1 %
90 %
Air sacs are
Big
Tiny
Colourful
Are of different sizes
When we inhale the ____________ becomes bigger, causing our lungs to expand.
Chest cavity
Lung cavity
Teeth cavity
Nose cavity
Alveoli are tiny air sacs which are connected to many blood vessels.
True
False
I don’t know
What is the job of the respiratory system?
Holding up the body and giving it support and shape.
Gas exchange between the external environment and the body's circulatory system.
Breaking down food for it to be used by the body.
The process of inhaling and exhaling is called _______________________ .
Respiration
Digestion
Motion
The trachea is also called the _________________________ .
lung
Diaphragm
Bronchioles
Windpipe
As you breathe, this contracts and flattens to give your lungs room to fill up with air __________________________ .
Larynx
Lung balloon
Diaphragm
Bronchiole
How is the exhaled air like? Cooler or warmer
It is cooler.
It is warmer.
What happens when we breathe in?
The chest contracts, lungs and diaphragm relaxes
Chest , ribs expands and diaphragm contracts
I don’t know
Chest , ribs contracts and diaphragm expands
Which gas exits from the air sacs?
Helium
Carbon di oxide
Nitrogen
None of the above
What are bronchioles?
They are small tubes in which air travels.
They are small tubes in which blood travels.
I don’t know.
Inhale means to
breathe in air.
breathe out air.
both breathe in or breathe out air.
Exhale means to
breathe out air.
breathe in air.
it is both breathe in and out.
The air you breath in follows this path in your it goes from
Nose -> Trachea -> Bronchioles-> Air sacs
Trachea -> Nose -> Air sacs -> Bronchioles
Nose -> Bronchioles-> Trachea -> Air sacs
Nose -> Air sacs -> Trachea -> Bronchioles
“Stop air dust ,stop!Face me first”. Which is the organ telling this?
Nose
Hair
Mouth
None
“Please fill our bags with oxygen ,bronchi.”which organ said this?
lungs
Air sacs
Both air sacs and lungs
None
The air sacs are surrounded by a network of blood vessel to help in the exchange of oxygen and carbon dioxide.
True
False
I don’t know
How do fishes breathe?
They do not breathe underwater.
They are special living things who do not need to breathe.
They breathe through their gills.
They hold their breath underwater for a long time.
