Font size
WorksheetsKS3 Breathing and Respiration
Total questions: 19
Worksheet time: 10mins
What is the process of respiration?
Breathing
The release of energy from food
Inhalation
Oxygen transfer
What substance do we need to breathe in?
Water
Carbon dioxide
Oxygen
Carbon monoxide
Where the exchange of gases actually occur?
Bronchi
Trachea
Oxygen
Alveoli
What is the muscle under the lungs called?
Intercostal
Diaphragm
Bronchus
Cardiac
The way gases move between the capillaries and alveoli is called...?
Osmosis
Diffusion
Atmosphere
Pressure
What gas do we breath out as waste?
Nitrogen
Oxygen
Hydrogen
Carbon Dioxide
Which of the following are involved in gas exchange?
Trachea
Oesophagus
Stomach
Lungs
Ribs
The (a) are tubes that connect the trachea to the lungs
As you breathe out, what does your diaphragm do?
Relax
Contract
As you breathe in what happens to the pressure inside your chest?
It increases
It decreases
Which of these are adaptations of alveoli?
Long, finger-like structure increases surface area
The membrane is only one cell thick which means gases have a short diffusion distance
Lots of tiny capillaries so gases can pass easily into the blood stream
Moist
Lots of enzymes so there are tiny molecules suitable for diffusion
Given the following structures:
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation?
1,2,3
2,1,3
2,3,1
3,2,1
Respiration is a vital function that all living things carry out.
True
False
Respiration takes place in
the cells
the lungs
the heart
the brain
Is respiration the same as breathing?
Yes
No
