NEW
Font size
WorksheetsBreathing /Gas Exchange
Total questions: 20
Worksheet time: 6mins
Tubes entering the lungs are called
bronchi
bronchioles
trachea
diaphragm
The "windpipe" is the
bronchi
nose
pharynx
trachea
Where is the dome-shaped diaphragm?
above the lungs
below the lungs
Letter D in this diagram is
pharynx
bronchiole
trachea
alveoli
The two tubes that the trachea splits into (letter E) are known as the ______.
pharynx
bronchi
trachea
alveoli
Bronchioles are
small tubes inside the lungs
two branches of tubes above the lungs
small bags inside. the lungs
the large muscle below the lungs
Air goes through the trachea and then enters the
bronchi
bronchioles
nose
alveoli
Gas exchange is needed to supply _____________ to cells and remove __________________ from cells.
carbon dioxide; oxygen
oxygen; food
oxygen; carbon dioxide
carbon dioxide; water
__________ are air sacs where gas exchange takes place.
Bronchi
Trachea
Oxygen
Alveoli
The yellow structures on the right side of this picture represent ________.
diaphragm
pharynx
alveoli
trachea
Carbon dioxide gas has the chemical formula
CO
CO2
CO3
CO4
Oxygen gas has the chemical formula
O
O2
O3
O4
Carbon dioxide gas has the chemical formula ___ and oxygen gas has the chemical formula ______.
CO, O
CO2, O2
CO3, O3
CO4, O4
Which of these are branched tubes found inside the lungs?
bronchi
bronchioles
trachea
Oesophagus
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from the body
to bring oxygen to the body
to break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
Which of the following are features of the alveoli that adapt them to gas exchange? I. Large surface area II. Thin walls III. Dry surfaces
The air sacs that are covered with capillaries where gas exchange takes place.
Bronchi
Trachea
Oxygen
Alveoli
The diagram shows some of the structures in a human lung. Where is the carbon dioxide concentration highest?
A
B
C
D
