WorksheetsRespiratory System 6th grade
Total questions: 20
Worksheet time: 10mins
To obtain oxygen and get rid of carbon dioxide we use ....
Circulatory system
Excretory system
Respiratory system
Digestive system
When we inhale we are...
breathing in
letting air out
We expell...
Oxygen
Carbon dioxide
Nutrients
When the air comes in, our diaphragm..
Contracts
Relaxes
When we let the air out, our diaphragm...
Contracts
Relaxes
The main organ of our respiratory system is...
heart
stomach
bladder
lungs
Click the ODD one out
diaphragm
bronchus
lung
sweat gland
Air passes from our nose and mouth to the lungs via the oesophagus.
TRUE
FALSE
Nº1
trachea
nose
lungs
bronchi
Nº4
bronchi
larynx
trachea
oesophagus
The trachea is also called...
windchime
windpipe
windmill
windscreen
The gas exchange takes place in the...
bronchioles
bronchi
capillaries
alveoli
The alveoli are...
tiny capillaries
tiny air sacks
tiny vessels
tiny cells
What passes from the alveoli to the capillaries?
carbon dioxide
oxygen
oxigen
nutrients
The capillaries are part of the ...
circulatory system
respiratory system
digestive system
excretory system
Our respiratory system is protected by our...
humerus
clavicle
tibia
ribs
Our lungs are protected by a membrane called...
pharynx
plenty
pleura
When we exhale, the air comes out...
hot, especially if it's sunny
cold, always in winter
hot, because of our body temperature
cold, because it comes out fast
When you do sports, feel nervous or excited....
you breathe faster
you breathe slower
your breathing doesn't change
Yawns are contagious but WHY do we YAWN?
Because it's bed time
Because we feel bored
Because our brain needs more oxygen
Because we haven't slept enough
