WorksheetsRespiratory
Total questions: 28
Worksheet time: 24mins
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from the body
o break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?
diapragm
lungs
trachea
What is function of the dome-shaped diaphragm muscle?
This is where gas exchange happens.
Air passes through the diaphragm on the way to the lungs.
It attaches to the lungs and contracts and relaxes to help in breathing.
These are the two two main branches from the trachea (one to each lung)
bronchi
alveoli
capillaries
bronchioles
What type of cells carry oxygen in the blood?
red blood cells
white blood cells
The circulatory system works with the ___________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).
respiratory
digestive
muscular
skeletal
Your lungs are ___________ air
My lungs are __________________ air.
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation?
What is the purpose of heart valves?
keep blood flowing in one direction
pump the blood
Which statement involves the breathing in of air? ....
Smaller chest cavity, flattening air sacs in the lungs
Diaphragm moving downward
Carbon dioxide moving into the lungs
moving downward
What are the main organs of the respiratory system?
nose
alveoli
lungs
The exhale oxygen rich air from our lungs
True
False
The two branches of the trachea that connect to each lungs are_________.
alveoli
bronchi
lungs
The process of breathing is called?
inhaling
respiration
oxygen
When we breathe in, diaphragm _______ and the rips move _______
moves upward / down
moves downward / up
not move
Breathing out, the _________ out of the body.
oxygen
carbon dioxide
