Features of Mass Transport (AQA A-Level Biology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why is mass transport essential for complex multicellular organisms?
Why is mass transport essential for complex multicellular organisms?
Diffusion cannot meet demands of distant cells
What does blood carry as the transport medium in animals?
What does blood carry as the transport medium in animals?
Oxygen, carbon dioxide, nutrients, hormones, waste
Which vessel type carries blood away from the heart under high pressure?
Which vessel type carries blood away from the heart under high pressure?
Arteries
What advantage does a double circulatory system provide mammals?
What advantage does a double circulatory system provide mammals?
Blood fully oxygenated before tissues
What does pulmonary circulation transport blood between?
What does pulmonary circulation transport blood between?
Heart and lungs
How does mass transport differ from diffusion in terms of speed?
How does mass transport differ from diffusion in terms of speed?
Rapid due to pressure-driven flow
Why do large organisms need mass transport rather than just diffusion?
Why do large organisms need mass transport rather than just diffusion?
Small surface area to volume ratios
What is the heart's function in mass transport?
What is the heart's function in mass transport?
Muscular pump creating pressure for flow
What drives water movement through xylem from roots to leaves?
What drives water movement through xylem from roots to leaves?
Transpiration from leaf evaporation
How does phloem transport differ from xylem transport in plants?
How does phloem transport differ from xylem transport in plants?
Requires energy and moves bidirectionally