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WorksheetsCH 2 - BREATHING ANS EXERCISE
Total questions: 20
Worksheet time: 7mins
We breathe in __________ rich air.
Oxygen
Carbon dioxide
Water vapour
Our chest _____________ when we breathe out
expands
shrinks
no change takes place
What is the child doing in this picture?
Playing with the hot tea
Cooling the hot tea by blowing on it
Making the hot tea warmer
When you blow on a mirror in summers, you see drops of water on it.
true
false
The cold air is dense, heavy and comes down.
True
False
Breathing rate _________ after we exercise.
Decrease
Increase
remain the same
Identify the device
Telescope
Ear phone
stethoscope
Select the word to complete the statement:
"The lungs are protected by the ________."
helmet
skull
lids
ribs
The lungs are stretchy sponges that fill up with water.
True
False
Choose the correct image explaining when we breathe out:
Carbon dioxide is a gas that our body must store to live.
True
False
When we breathe out, we
feel pain in our knuckles, always.
get rid of the water in out body.
get rid of carbon dioxide.
When we breathe, we take in ....
nitrogen
carbon dioxide
oxygen
hydrogen
The respiratory organ in the picture is called ....
lung
trachea
bronchioles
bronchi
The other name for trachea is ....
food pipe
wind pipe
lung
heart
The organs in letter d and e are ....
larynx and bronchi
pharynx and bronchioles
trachea and bronchioles
trachea and bronchi
The diaphragm is in letter ....
a
b
c
d
e
Which is the correct passage of air from the environment to the inside of the body?
nose, lungs, trachea, bronchi
trachae, nose, bronchi, lungs
nose, trachea, bronchi, lungs
trachae,bronchi, lungs, nose
Plants help to maintain the balance of oxygen and carbon dioxide in the air.
True
False
The respiratory system works together with the circulatory system to ensure all parts of our body receive enough oxygen.
True
False
