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