WorksheetsGas Exchange KS3 Y7
Total questions: 10
Worksheet time: 3mins
Which means to take into the lungs to gain oxygen?
Inhale
Exhale
Respire
Diffuse
A tiny air sac inside a lung, adapted to diffuse oxygen easily.
Bronchiole
Trachea
Alveolus
Nasal Passage
Many systems of organs work together to make up...
An organ
An organism
A cell
A tissue
Besides the mouth, how else can air enter the body from outside?
Diffusion
Skin
Nasal Passage
Stomach
The gas which we need to survive is called...
carbon dioxide
argon
oxygen
nitrogen
The gas which air is mostly made of is called...
carbon dioxide
argon
oxygen
nitrogen
The gas which the body exhales as waste is called...
carbon dioxide
argon
oxygen
nitrogen
Which of these is a way in which alveoli are adapted to work well?
They are very large
They have thick walls
They have thin walls
There are only a few of them
A lung is considered...
An organ system
An organ
An organism
A cell
Which is the smallest?
Trachea
Bronchus
Bronchiole
Lung
