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WorksheetsOrgans and Organ Systems - AQA GCSE Biology Topic 2 Organisation
Total questions: 10
Worksheet time: 5mins
What surrounds the alveoli?
The ribcage
The diaphragm
The trachea
The capillaries
What is the function of the lungs?
Get fresh oxygen in and waste CO2 out
Pump blood around the body
Break down food
Regulate water levels
What is there a high concentration of in the alveoli?
Carbon dioxide
Oxygen
Through what process does oxygen leave the alveoli and enter the blood?
Osmosis
Active Transport
Diffusion
Give one adaption of the capillaries which ensures a short diffusion distance?
(a)
Which substance removes oxygenated blood quickly and brings CO2 to the lungs from body cells?
Alveoli
Bronchiole
Bronchus
Capillaries
What is the smallest part on the diagram?
(a)
What is the circulatory system made up of?
The lungs
The heart
Blood
Blood vessels
Which blood vessel carries blood away from the heart?
Arteries
Capillaries
Veins
What stops the blood flowing backwards in veins?
(a)
