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WorksheetsGaseous Exchange in Human Beings
Total questions: 10
Worksheet time: 6mins
Which tube carries air to the wind pipe?
Trachea
Pharynx
Larynx
Adam's Apple
What are the small air sacs in the lungs where many capillaries exchange carbon dioxide for oxygen taken into the body.
Alveoli
Bronchi
Bronchiole
Nasal Cavity
Name the large muscle that separates the chest cavity from the abdominal cavity and helps with breathing?
Larynx
Diaphragm
Sternum
Thorax
The windpipe is also known as...
Trachea
Adenoid
Pharynx
What happens to the air pressure between the pleural muscles, when you breathe in?
No difference
Increases
Decreases
When you expire...
ribs and sternum move up and out
diaphragm moves down/ flattens
External intercoastal muscles relax
diaphragm contracts
width of thorax increases
In what way are 'air sacs' placed around the lungs?
closely
clustered
seperated
non- existent
Where does the difussion of Carbon dioxide and oxygen take place?
trachea
diaphragm
bronchi
alveoli
What is the second step in human gaseous exchange
air is inhaled
oxygen is diffused into the blood
suagr is made
carbon dioxide is diffused
What is the third stage of Human gaseous exchange ?
oxygen breathed in
carbon dioxide diffused into the alveoli
oxygen is diffused
I don't know
