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Questions and Answers
What are the functional parts of the circulation?
What are the functional parts of the circulation?
- Arteries, veins, capillaries, and atrioventricular valves
- Arteries, veins, capillaries, and lymphatic vessels
- Arteries, arterioles, capillaries, venules, and veins (correct)
- Arteries, arterioles, capillaries, and venules
What is the main function of venules in the circulatory system?
What is the main function of venules in the circulatory system?
- Exchange fluids, nutrients, and other substances
- Transport blood under high pressure to the tissues
- Act as conduits through which blood is released into the capillaries
- Collect blood from the capillaries (correct)
What distinguishes arterioles from arteries in terms of their structure?
What distinguishes arterioles from arteries in terms of their structure?
- Strong vascular walls and blood flows at a high velocity
- Thin walls, low pressure, and rapid blood flow
- Strong muscular walls that can be constricted or dilated (correct)
- Thin walls and high permeability to small molecules
What is the primary function of veins in the circulatory system?
What is the primary function of veins in the circulatory system?
What is the role of capillaries in the circulatory system?
What is the role of capillaries in the circulatory system?
What distinguishes venules from veins in terms of their structure?
What distinguishes venules from veins in terms of their structure?
How do arterioles differ from arteries in their capability to alter blood flow?
How do arterioles differ from arteries in their capability to alter blood flow?
What is the primary function of capillaries in the circulatory system?
What is the primary function of capillaries in the circulatory system?
How do the physical characteristics of veins differ from arteries?
How do the physical characteristics of veins differ from arteries?
What distinguishes the functional parts of the circulation in the circulatory system?
What distinguishes the functional parts of the circulation in the circulatory system?
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