5 Questions
What is the function of the aorta?
To distribute oxygen-rich blood to all body tissues
Why do arteries have thick walls?
To prevent collapse under high pressure
What is the primary function of arterioles?
To carry blood to capillaries
What is the main difference between arteries and veins?
Arteries have thick walls, while veins have thin walls
What is one of the methods of moving blood forward in veins?
Compression of skeletal muscles
Study Notes
Arteries
- Carry oxygen-rich blood from the heart to all body tissues
- Thick-walled to withstand high pressure
- Blood pumped into arteries at a rate of 60-100 times per minute
- Aorta is the largest artery
- Arterioles are small subdivisions of arteries that carry blood to capillaries
Veins
- Carry oxygen-depleted blood back to the heart
- Thin-walled, which makes them prone to collapse
- Found near the surface of the body and run parallel to arteries
- Use one-way valves to prevent backflow
- Compression of skeletal muscles, breathing, and gravity help to move blood forward
Test your knowledge of the cardiovascular system, including the structure and function of arteries and veins, and how they contribute to blood circulation. Learn about the differences between oxygen-rich and oxygen-depleted blood and how it's transported throughout the body.
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