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WorksheetsOCR GCSE PE The respiratory system
Total questions: 12
Worksheet time: 7mins
Finish the sentence. When we expire (breathe out)...
The diaphragm and the intercostals contract and lift the ribcage up and out increasing the size of the thoracic cavity
The diaphragm and the intercostals relax causing the rib cage to drop, therefore reducing the size of the thoracic cavity.
What structures does gaseous exchange take place between? (select 2 answers)
Alveoli and the veins
Alveoli and the capillaries
Capillaries and the arteries
Capillaries and muscle tissue
Which is the odd one out? Gaseous exchange is aided by...
Alveoli is covered in capillaries
A large blood supply
walls one cell thick
Valves
Tidal volume is the volume of air inspired or expired per breath. This increases during exercise.
True
False
Minute ventilation is the amount of air a person breathes out in a minute
True
False
Select each statement that refers to anaerobic exercise.
Uses oxygen
High intensity
Short duration
Builds up lactic acid
Long duration
Why does breathing rate increase during exercise? Tick the statements that are relevant.
To meet the demand for oxygen at the working muscles
To make us lighter
To decrease body temperature
To remove carbon dioxide from the body
Does a tour de France cyclist work generally work aerobically or anaerobically?
Aerobically
Anaerobically
'The number of breaths per minute' is the definition for...
Cardiac output
Lung capacity
Breathing rate
Tidal volume
During inspiration, the pressure inside the thoracic cavity decreases.
True
False
Select each statement that refers to aerobic exericse.
High intensity
Uses oxygen
Long duration
Low intensity
No fatiguing by-products
Identify the correct pathway of air into the blood.
Nose/mouth, trachea, bronchi, bronchioles, alveoli, capillaries
Nose/mouth, bronchi, bronchioles, alveoli, capillaries, trachea
Nose/mouth, trachea, bronchioles, bronchi, alveoli, capillaries
