Transport/Circulatory System - SS2 Biology Past Questions and Answers - page 1
Which type of circulatory system is found in unicellular organisms?
Open circulatory system
Closed circulatory system
No circulatory system
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What type of circulatory system is present in simple multicellular organisms?
Open circulatory system
Closed circulatory system
No circulatory system
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Which of the following is the primary circulatory system in plants?
Open circulatory system
Closed circulatory system
Vascular system
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What is the liquid component of human blood called?
Plasma
Red blood cells
White blood cells
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Which blood cells play a crucial role in the immune response?
Plasma
Red blood cells
White blood cells
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What are the small cell fragments involved in blood clotting called?
Plasma
Platelets
White blood cells
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Which type of blood vessel carries oxygenated blood away from the heart?
Arteries
Veins
Capillaries
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Which type of blood vessel carries deoxygenated blood towards the heart?
Arteries
Veins
Capillaries
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Which type of blood vessel allows for the exchange of gases and nutrients between the blood and body tissues?
Arteries
Veins
Capillaries
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Which chamber of the human heart receives oxygenated blood from the lungs?
Right atrium
Left atrium
Right ventricle
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