Circulatory System in Mammals (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 the mammalian circulatory system described as 'double'?
Why is the mammalian circulatory system described as 'double'?
Blood passes through heart twice per circuit
Why does double circulation exist in mammals?
Why does double circulation exist in mammals?
Blood pressure drops in lungs
Which chamber receives deoxygenated blood from body tissues?
Which chamber receives deoxygenated blood from body tissues?
Right atrium
What is the primary function of arteries?
What is the primary function of arteries?
Carry blood away from heart
What type of blood does the pulmonary artery carry?
What type of blood does the pulmonary artery carry?
Deoxygenated blood
How close are all body cells to a capillary?
How close are all body cells to a capillary?
Within 1mm
Which blood vessel carries oxygenated blood from the left ventricle?
Which blood vessel carries oxygenated blood from the left ventricle?
Aorta
What is a key advantage of double circulation?
What is a key advantage of double circulation?
Maintains high blood pressure
What is the benefit of the four-chambered heart design?
What is the benefit of the four-chambered heart design?
Separates oxygenated & deoxygenated blood
How do substances move over longer distances in the circulatory system?
How do substances move over longer distances in the circulatory system?
Mass flow